225865568522 has 16 divisors (see below), whose sum is σ = 369643197600. Its totient is φ = 102653669040.

The previous prime is 225865568497. The next prime is 225865568531.

225865568522 is nontrivially palindromic in base 10.

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, 438872 + ... + 802707.

It is an arithmetic number, because the mean of its divisors is an integer number (23102699850).

Almost surely, 2^225865568522 is an apocalyptic number.

225865568522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225865568522 is a deficient number, since it is larger than the sum of its proper divisors (143777629078).

225865568522 is a wasteful number, since it uses less digits than its factorization.

225865568522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249861.

The product of its digits is 23040000, while the sum is 56.

The spelling of 225865568522 in words is "two hundred twenty-five billion, eight hundred sixty-five million, five hundred sixty-eight thousand, five hundred twenty-two".