225405504522 has 96 divisors (see below), whose sum is σ = 534488647680. Its totient is φ = 68085624960.

The previous prime is 225405504509. The next prime is 225405504539.

225405504522 is a `hidden beast` number, since 2 + 2 + 5 + 40 + 550 + 45 + 22 = 666.

225405504522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135540663 + ... + 135542325.

It is an arithmetic number, because the mean of its divisors is an integer number (5567590080).

Almost surely, 2^225405504522 is an apocalyptic number.

225405504522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225405504522 is an abundant number, since it is smaller than the sum of its proper divisors (309083143158).

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

225405504522 is a wasteful number, since it uses less digits than its factorization.

225405504522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

It can be divided in two parts, 225405 and 504522, that added together give a palindrome (729927).

The spelling of 225405504522 in words is "two hundred twenty-five billion, four hundred five million, five hundred four thousand, five hundred twenty-two".