86022690 has 144 divisors (see below), whose sum is σ = 240962688. Its totient is φ = 19633536.

The previous prime is 86022667. The next prime is 86022721. The reversal of 86022690 is 9622068.

It is a super-2 number, since 2×86022690² = 14799806389672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1830247 + ... + 1830293.

It is an arithmetic number, because the mean of its divisors is an integer number (1673352).

Almost surely, 2^86022690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86022690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120481344).

86022690 is an abundant number, since it is smaller than the sum of its proper divisors (154939998).

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

86022690 is a wasteful number, since it uses less digits than its factorization.

86022690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 86022690 is about 9274.8417776262. The cubic root of 86022690 is about 441.4393121224.

The spelling of 86022690 in words is "eighty-six million, twenty-two thousand, six hundred ninety".