87222676 has 6 divisors (see below), whose sum is σ = 152639690. Its totient is φ = 43611336.

The previous prime is 87222661. The next prime is 87222697. The reversal of 87222676 is 67622278.

It can be written as a sum of positive squares in only one way, i.e., 59660176 + 27562500 = 7724^2 + 5250^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 10902831 + ... + 10902838.

Almost surely, 2^87222676 is an apocalyptic number.

It is an amenable number.

87222676 is a deficient number, since it is larger than the sum of its proper divisors (65417014).

87222676 is a wasteful number, since it uses less digits than its factorization.

87222676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21805673 (or 21805671 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 87222676 is about 9339.3081114181. The cubic root of 87222676 is about 443.4824814597.

The spelling of 87222676 in words is "eighty-seven million, two hundred twenty-two thousand, six hundred seventy-six".