63220372 has 12 divisors (see below), whose sum is σ = 116458720. Its totient is φ = 29946456.

The previous prime is 63220343. The next prime is 63220387. The reversal of 63220372 is 27302236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415848 + ... + 415999.

Almost surely, 2^63220372 is an apocalyptic number.

It is an amenable number.

63220372 is a deficient number, since it is larger than the sum of its proper divisors (53238348).

63220372 is a wasteful number, since it uses less digits than its factorization.

63220372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831870 (or 831868 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 63220372 is about 7951.1239457073. The cubic root of 63220372 is about 398.3691347330.

The spelling of 63220372 in words is "sixty-three million, two hundred twenty thousand, three hundred seventy-two".