625604422 has 4 divisors (see below), whose sum is σ = 938406636. Its totient is φ = 312802210.

The previous prime is 625604417. The next prime is 625604489. The reversal of 625604422 is 224406526.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156401104 + ... + 156401107.

It is an arithmetic number, because the mean of its divisors is an integer number (234601659).

Almost surely, 2^625604422 is an apocalyptic number.

625604422 is a deficient number, since it is larger than the sum of its proper divisors (312802214).

625604422 is a wasteful number, since it uses less digits than its factorization.

625604422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312802213.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 625604422 is about 25012.0855188047. The cubic root of 625604422 is about 855.2634970951.

The spelling of 625604422 in words is "six hundred twenty-five million, six hundred four thousand, four hundred twenty-two".