86622426 has 32 divisors (see below), whose sum is σ = 209995200. Its totient is φ = 26249040.

The previous prime is 86622421. The next prime is 86622433. The reversal of 86622426 is 62422668.

86622426 is a `hidden beast` number, since 8 + 6 + 622 + 4 + 26 = 666.

It is a super-2 number, since 2×86622426² = 15006889372250952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86622421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72321 + ... + 73508.

It is an arithmetic number, because the mean of its divisors is an integer number (6562350).

Almost surely, 2^86622426 is an apocalyptic number.

86622426 is an abundant number, since it is smaller than the sum of its proper divisors (123372774).

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

86622426 is a wasteful number, since it uses less digits than its factorization.

86622426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145851 (or 145845 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 86622426 is about 9307.1169542453. The cubic root of 86622426 is about 442.4628179042.

The spelling of 86622426 in words is "eighty-six million, six hundred twenty-two thousand, four hundred twenty-six".