87222150 has 48 divisors (see below), whose sum is σ = 240349200. Its totient is φ = 23258880.

The previous prime is 87222139. The next prime is 87222181. The reversal of 87222150 is 5122278.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 30955 + ... + 33654.

It is an arithmetic number, because the mean of its divisors is an integer number (5007275).

Almost surely, 2^87222150 is an apocalyptic number.

87222150 is an abundant number, since it is smaller than the sum of its proper divisors (153127050).

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

87222150 is a wasteful number, since it uses less digits than its factorization.

87222150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64630 (or 64619 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 87222150 is about 9339.2799508313. The cubic root of 87222150 is about 443.4815899780.

The spelling of 87222150 in words is "eighty-seven million, two hundred twenty-two thousand, one hundred fifty".