225272791026 has 12 divisors (see below), whose sum is σ = 488091047262. Its totient is φ = 75090930336.

The previous prime is 225272790989. The next prime is 225272791027. The reversal of 225272791026 is 620197272522.

225272791026 is a `hidden beast` number, since 22 + 527 + 2 + 79 + 10 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198916892001 + 26355899025 = 446001^2 + 162345^2 .

It is a super-2 number, since 2×225272791026² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (225272791027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6257577511 + ... + 6257577546.

Almost surely, 2^225272791026 is an apocalyptic number.

225272791026 is an abundant number, since it is smaller than the sum of its proper divisors (262818256236).

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

225272791026 is a wasteful number, since it uses less digits than its factorization.

225272791026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515155065 (or 12515155062 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 225272791026 in words is "two hundred twenty-five billion, two hundred seventy-two million, seven hundred ninety-one thousand, twenty-six".