63220370 has 16 divisors (see below), whose sum is σ = 114903360. Its totient is φ = 25042224.

The previous prime is 63220343. The next prime is 63220387. The reversal of 63220370 is 7302236.

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, 29660 + ... + 31719.

It is an arithmetic number, because the mean of its divisors is an integer number (7181460).

Almost surely, 2^63220370 is an apocalyptic number.

63220370 is a deficient number, since it is larger than the sum of its proper divisors (51682990).

63220370 is a wasteful number, since it uses less digits than its factorization.

63220370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61489.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 63220370 is about 7951.1238199389. The cubic root of 63220370 is about 398.3691305321.

The spelling of 63220370 in words is "sixty-three million, two hundred twenty thousand, three hundred seventy".