225624426522 has 24 divisors (see below), whose sum is σ = 496000807008. Its totient is φ = 68371038120.

The previous prime is 225624426499. The next prime is 225624426611.

225624426522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155387998 + ... + 155389449.

It is an arithmetic number, because the mean of its divisors is an integer number (20666700292).

Almost surely, 2^225624426522 is an apocalyptic number.

225624426522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225624426522 is an abundant number, since it is smaller than the sum of its proper divisors (270376380486).

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

225624426522 is a wasteful number, since it uses less digits than its factorization.

225624426522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310777474 (or 310777463 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

The spelling of 225624426522 in words is "two hundred twenty-five billion, six hundred twenty-four million, four hundred twenty-six thousand, five hundred twenty-two".