87222674 has 32 divisors (see below), whose sum is σ = 163593216. Its totient is φ = 33883920.

The previous prime is 87222661. The next prime is 87222697. The reversal of 87222674 is 47622278.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74417 + ... + 75579.

It is an arithmetic number, because the mean of its divisors is an integer number (5112288).

Almost surely, 2^87222674 is an apocalyptic number.

87222674 is a deficient number, since it is larger than the sum of its proper divisors (76370542).

87222674 is a wasteful number, since it uses less digits than its factorization.

87222674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 75264, while the sum is 38.

The square root of 87222674 is about 9339.3080043438. The cubic root of 87222674 is about 443.4824780700.

The spelling of 87222674 in words is "eighty-seven million, two hundred twenty-two thousand, six hundred seventy-four".