225634242436522 has 32 divisors (see below), whose sum is σ = 360941721960960. Its totient is φ = 105415958615040.

The previous prime is 225634242436517. The next prime is 225634242436523.

225634242436522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225634242436522² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225634242436522.

It is not an unprimeable number, because it can be changed into a prime (225634242436523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926557063 + ... + 926800549.

It is an arithmetic number, because the mean of its divisors is an integer number (11279428811280).

Almost surely, 2^{225634242436522} is an apocalyptic number.

225634242436522 is a deficient number, since it is larger than the sum of its proper divisors (135307479524438).

225634242436522 is a wasteful number, since it uses less digits than its factorization.

225634242436522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439726.

The product of its digits is 33177600, while the sum is 52.

The spelling of 225634242436522 in words is "two hundred twenty-five trillion, six hundred thirty-four billion, two hundred forty-two million, four hundred thirty-six thousand, five hundred twenty-two".