225257869826 has 16 divisors (see below), whose sum is σ = 377594124768. Its totient is φ = 99892624800.

The previous prime is 225257869787. The next prime is 225257869829. The reversal of 225257869826 is 628968752522.

It is a super-2 number, since 2×225257869826² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225257869829) 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, 124864880 + ... + 124866683.

It is an arithmetic number, because the mean of its divisors is an integer number (23599632798).

Almost surely, 2^225257869826 is an apocalyptic number.

225257869826 is a deficient number, since it is larger than the sum of its proper divisors (152336254942).

225257869826 is a wasteful number, since it uses less digits than its factorization.

225257869826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249731617.

The product of its digits is 58060800, while the sum is 62.

The spelling of 225257869826 in words is "two hundred twenty-five billion, two hundred fifty-seven million, eight hundred sixty-nine thousand, eight hundred twenty-six".