225635525536522 has 16 divisors (see below), whose sum is σ = 341812007125344. Its totient is φ = 111698240130000.

The previous prime is 225635525536511. The next prime is 225635525536649.

225635525536522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225635525536522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3566004 + ... + 21540367.

It is an arithmetic number, because the mean of its divisors is an integer number (21363250445334).

Almost surely, 2^{225635525536522} is an apocalyptic number.

225635525536522 is a deficient number, since it is larger than the sum of its proper divisors (116176481588822).

225635525536522 is a wasteful number, since it uses less digits than its factorization.

225635525536522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25150965.

The product of its digits is 162000000, while the sum is 58.

Subtracting from 225635525536522 its product of digits (162000000), we obtain a palindrome (225635363536522).

The spelling of 225635525536522 in words is "two hundred twenty-five trillion, six hundred thirty-five billion, five hundred twenty-five million, five hundred thirty-six thousand, five hundred twenty-two".