86988222 has 16 divisors (see below), whose sum is σ = 193307280. Its totient is φ = 28996056.

The previous prime is 86988217. The next prime is 86988259. The reversal of 86988222 is 22288968.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805393 + ... + 805500.

It is an arithmetic number, because the mean of its divisors is an integer number (12081705).

Almost surely, 2^86988222 is an apocalyptic number.

86988222 is an abundant number, since it is smaller than the sum of its proper divisors (106319058).

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

86988222 is a wasteful number, since it uses less digits than its factorization.

86988222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610904 (or 1610898 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 86988222 is about 9326.7476646471. The cubic root of 86988222 is about 443.0847655279.

The spelling of 86988222 in words is "eighty-six million, nine hundred eighty-eight thousand, two hundred twenty-two".