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1022227222201 = 23342971021001
BaseRepresentation
bin11101110000000010111…
…11011000111010111001
310121201112202212022012221
432320001133120322321
5113222010132102301
62101334341004041
7133565513011063
oct16700137307271
93551482768187
101022227222201
11364584687a19
121461459b3621
137551b216623
1437694454733
151b8cccc9da1
hexee017d8eb9

1022227222201 has 8 divisors (see below), whose sum is σ = 1026854383464. Its totient is φ = 1017602112000.

The previous prime is 1022227222199. The next prime is 1022227222213.

1022227222201 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 209027268025 + 813199954176 = 457195^2 + 901776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022227222201 - 21 = 1022227222199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022227222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490701 + ... + 1511701.

It is an arithmetic number, because the mean of its divisors is an integer number (128356797933).

Almost surely, 21022227222201 is an apocalyptic number.

It is an amenable number.

1022227222201 is a deficient number, since it is larger than the sum of its proper divisors (4627161263).

1022227222201 is a wasteful number, since it uses less digits than its factorization.

1022227222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025531.

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 1022227222201 in words is "one trillion, twenty-two billion, two hundred twenty-seven million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 233 4297 1001201 1021001 237893233 4387241297 1022227222201