63228568 has 16 divisors (see below), whose sum is σ = 127673280. Its totient is φ = 29182368.

The previous prime is 63228563. The next prime is 63228569. The reversal of 63228568 is 86582236.

It is a super-2 number, since 2×63228568² = 7995703622661248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63228568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63228563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303880 + ... + 304087.

It is an arithmetic number, because the mean of its divisors is an integer number (7979580).

Almost surely, 2^63228568 is an apocalyptic number.

It is an amenable number.

63228568 is an abundant number, since it is smaller than the sum of its proper divisors (64444712).

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

63228568 is a wasteful number, since it uses less digits than its factorization.

63228568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607986 (or 607982 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 63228568 is about 7951.6393278367. The cubic root of 63228568 is about 398.3863490804.

The spelling of 63228568 in words is "sixty-three million, two hundred twenty-eight thousand, five hundred sixty-eight".