225656111356 has 12 divisors (see below), whose sum is σ = 425274979192. Its totient is φ = 104148974448.

The previous prime is 225656111347. The next prime is 225656111381. The reversal of 225656111356 is 653111656522.

It is a happy number.

It is a super-2 number, since 2×225656111356² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169770250 + ... + 2169770353.

Almost surely, 2^225656111356 is an apocalyptic number.

225656111356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225656111356 is a deficient number, since it is larger than the sum of its proper divisors (199618867836).

225656111356 is a wasteful number, since it uses less digits than its factorization.

225656111356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339540620 (or 4339540618 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

Adding to 225656111356 its reverse (653111656522), we get a palindrome (878767767878).

The spelling of 225656111356 in words is "two hundred twenty-five billion, six hundred fifty-six million, one hundred eleven thousand, three hundred fifty-six".