225404404522 has 16 divisors (see below), whose sum is σ = 368866260000. Its totient is φ = 102450245040.

The previous prime is 225404404499. The next prime is 225404404559.

It is a happy number.

225404404522 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, 60604 + ... + 674152.

It is an arithmetic number, because the mean of its divisors is an integer number (23054141250).

Almost surely, 2^225404404522 is an apocalyptic number.

225404404522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225404404522 is a deficient number, since it is larger than the sum of its proper divisors (143461855478).

225404404522 is a wasteful number, since it uses less digits than its factorization.

225404404522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630261.

The product of its (nonzero) digits is 102400, while the sum is 34.

It can be divided in two parts, 225404 and 404522, that added together give a palindrome (629926).

The spelling of 225404404522 in words is "two hundred twenty-five billion, four hundred four million, four hundred four thousand, five hundred twenty-two".