634224405225 has 48 divisors (see below), whose sum is σ = 1058455270400. Its totient is φ = 335070328320.

The previous prime is 634224405203. The next prime is 634224405263. The reversal of 634224405225 is 522504422436.

It is not a de Polignac number, because 634224405225 - 2⁸ = 634224404969 is a prime.

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, 53564856 + ... + 53576694.

Almost surely, 2^634224405225 is an apocalyptic number.

It is an amenable number.

634224405225 is a deficient number, since it is larger than the sum of its proper divisors (424230865175).

634224405225 is a wasteful number, since it uses less digits than its factorization.

634224405225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18514 (or 18509 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 634224405225 in words is "six hundred thirty-four billion, two hundred twenty-four million, four hundred five thousand, two hundred twenty-five".