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1225331010 = 233543105541
BaseRepresentation
bin100100100001001…
…0001000101000010
310011101200021011000
41021002101011002
510002141043020
6321331032430
742236066421
oct11102210502
93141607130
101225331010
11579738362
122a243b716
13166b23247
14b8a452b8
1572891090
hex49091142

1225331010 has 64 divisors (see below), whose sum is σ = 3343570560. Its totient is φ = 319152960.

The previous prime is 1225330987. The next prime is 1225331011. The reversal of 1225331010 is 101335221.

1225331010 is a `hidden beast` number, since 122 + 533 + 1 + 0 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1225331011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41161 + ... + 64380.

It is an arithmetic number, because the mean of its divisors is an integer number (52243290).

Almost surely, 21225331010 is an apocalyptic number.

1225331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225331010 is an abundant number, since it is smaller than the sum of its proper divisors (2118239550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225331010 is a wasteful number, since it uses less digits than its factorization.

1225331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105600 (or 105594 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1225331010 is about 35004.7283948897. The cubic root of 1225331010 is about 1070.0838464589.

Adding to 1225331010 its reverse (101335221), we get a palindrome (1326666231).

The spelling of 1225331010 in words is "one billion, two hundred twenty-five million, three hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 215 258 270 387 430 645 774 1161 1290 1935 2322 3870 5805 11610 105541 211082 316623 527705 633246 949869 1055410 1583115 1899738 2849607 3166230 4538263 4749345 5699214 9076526 9498690 13614789 14248035 22691315 27229578 28496070 40844367 45382630 68073945 81688734 122533101 136147890 204221835 245066202 408443670 612665505 1225331010