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1022325232201 = 721324122712
BaseRepresentation
bin11101110000001110101…
…01010001001001001001
310121201210121021201122221
432320013111101021021
5113222210224412301
62101352201414041
7133601113044400
oct16700725211111
93551717251587
101022325232201
11364624a3a319
1214617279a321
1375535611400
14376a3488637
151b8d66d9da1
hexee07551249

1022325232201 has 81 divisors (see below), whose sum is σ = 1324815222069. Its totient is φ = 786232137600.

The previous prime is 1022325232199. The next prime is 1022325232213.

The square root of 1022325232201 is 1011101.

It is a perfect power (a square), and thus also a powerful number.

1022325232201 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 680946788025 + 341378444176 = 825195^2 + 584276^2 .

It is not a de Polignac number, because 1022325232201 - 21 = 1022325232199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022325232801) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3772417696 + ... + 3772417966.

Almost surely, 21022325232201 is an apocalyptic number.

1022325232201 is the 1011101-st square number.

1022325232201 is the 505551-st centered octagonal number.

It is an amenable number.

1022325232201 is a deficient number, since it is larger than the sum of its proper divisors (302489989868).

1022325232201 is an frugal number, since it uses more digits than its factorization.

1022325232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Multiplying 1022325232201 by its sum of digits (25), we get a square (25558130805025 = 50555052).

The spelling of 1022325232201 in words is "one trillion, twenty-two billion, three hundred twenty-five million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 7 13 41 49 91 169 271 287 533 637 1183 1681 1897 2009 3523 3731 6929 8281 11111 11767 13279 21853 24661 26117 45799 48503 73441 77777 82369 144443 152971 172627 284089 320593 339521 455551 514087 544439 954733 1011101 1070797 1877759 1988623 2244151 3011081 3188857 3598609 5922163 6683131 7077707 12411529 13144313 13920361 21077567 22321999 39144053 41455141 46781917 76988119 86880703 92010191 123454321 147542969 274008371 290185987 508872689 538916833 608164921 864180247 1604906173 1918058597 3562108823 3772417831 6049261729 11234343211 20863780249 24934761761 78640402477 146046461743 1022325232201