87222076 has 12 divisors (see below), whose sum is σ = 153841408. Its totient is φ = 43267392.

The previous prime is 87222073. The next prime is 87222089. The reversal of 87222076 is 67022278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87222071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85341 + ... + 86356.

Almost surely, 2^87222076 is an apocalyptic number.

It is an amenable number.

87222076 is a deficient number, since it is larger than the sum of its proper divisors (66619332).

87222076 is a wasteful number, since it uses less digits than its factorization.

87222076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171828 (or 171826 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87222076 is about 9339.2759890690. The cubic root of 87222076 is about 443.4814645602.

The spelling of 87222076 in words is "eighty-seven million, two hundred twenty-two thousand, seventy-six".