63225864 has 96 divisors (see below), whose sum is σ = 190444800. Its totient is φ = 18817920.

The previous prime is 63225853. The next prime is 63225881. The reversal of 63225864 is 46852236.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27927 + ... + 30105.

It is an arithmetic number, because the mean of its divisors is an integer number (1983800).

Almost surely, 2^63225864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63225864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95222400).

63225864 is an abundant number, since it is smaller than the sum of its proper divisors (127218936).

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

63225864 is a wasteful number, since it uses less digits than its factorization.

63225864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2228 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 63225864 is about 7951.4692981863. The cubic root of 63225864 is about 398.3806699384.

The spelling of 63225864 in words is "sixty-three million, two hundred twenty-five thousand, eight hundred sixty-four".