63220460 has 12 divisors (see below), whose sum is σ = 132763008. Its totient is φ = 25288176.

The previous prime is 63220441. The next prime is 63220477. The reversal of 63220460 is 6402236.

It is a super-2 number, since 2×63220460² = 7993653125223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 1580492 + ... + 1580531.

It is an arithmetic number, because the mean of its divisors is an integer number (11063584).

Almost surely, 2^63220460 is an apocalyptic number.

It is an amenable number.

63220460 is an abundant number, since it is smaller than the sum of its proper divisors (69542548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63220460 is a wasteful number, since it uses less digits than its factorization.

63220460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161032 (or 3161030 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63220460 is about 7951.1294795142. The cubic root of 63220460 is about 398.3693195704.

Adding to 63220460 its reverse (6402236), we get a palindrome (69622696).

The spelling of 63220460 in words is "sixty-three million, two hundred twenty thousand, four hundred sixty".