64225884 has 12 divisors (see below), whose sum is σ = 149860424. Its totient is φ = 21408624.

The previous prime is 64225873. The next prime is 64225891. The reversal of 64225884 is 48852246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676067 + ... + 2676090.

Almost surely, 2^64225884 is an apocalyptic number.

It is an amenable number.

64225884 is an abundant number, since it is smaller than the sum of its proper divisors (85634540).

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

64225884 is a wasteful number, since it uses less digits than its factorization.

64225884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352164 (or 5352162 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 64225884 is about 8014.1053150055. The cubic root of 64225884 is about 400.4700391084.

The spelling of 64225884 in words is "sixty-four million, two hundred twenty-five thousand, eight hundred eighty-four".