63220465 has 16 divisors (see below), whose sum is σ = 94584960. Its totient is φ = 39409920.

The previous prime is 63220441. The next prime is 63220477. The reversal of 63220465 is 56402236.

It is a happy number.

It is not a de Polignac number, because 63220465 - 2¹⁵ = 63187697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81720 + ... + 82489.

It is an arithmetic number, because the mean of its divisors is an integer number (5911560).

Almost surely, 2^63220465 is an apocalyptic number.

It is an amenable number.

63220465 is a deficient number, since it is larger than the sum of its proper divisors (31364495).

63220465 is a wasteful number, since it uses less digits than its factorization.

63220465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164232.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 63220465 is about 7951.1297939349. The cubic root of 63220465 is about 398.3693300725.

The spelling of 63220465 in words is "sixty-three million, two hundred twenty thousand, four hundred sixty-five".