66225884 has 24 divisors (see below), whose sum is σ = 117311040. Its totient is φ = 32711616.

The previous prime is 66225869. The next prime is 66225919. The reversal of 66225884 is 48852266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180269 + ... + 180635.

It is an arithmetic number, because the mean of its divisors is an integer number (4887960).

Almost surely, 2^66225884 is an apocalyptic number.

It is an amenable number.

66225884 is a deficient number, since it is larger than the sum of its proper divisors (51085156).

66225884 is a wasteful number, since it uses less digits than its factorization.

66225884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 66225884 is about 8137.9287291055. The cubic root of 66225884 is about 404.5845131883.

The spelling of 66225884 in words is "sixty-six million, two hundred twenty-five thousand, eight hundred eighty-four".