86922225 has 36 divisors (see below), whose sum is σ = 167668956. Its totient is φ = 42791040.

The previous prime is 86922211. The next prime is 86922257. The reversal of 86922225 is 52222968.

It can be written as a sum of positive squares in 6 ways, for example, as 1766241 + 85155984 = 1329^2 + 9228^2 .

It is not a de Polignac number, because 86922225 - 2⁷ = 86922097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86922225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11934 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (4657471).

Almost surely, 2^86922225 is an apocalyptic number.

It is an amenable number.

86922225 is a deficient number, since it is larger than the sum of its proper divisors (80746731).

86922225 is a wasteful number, since it uses less digits than its factorization.

86922225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29746 (or 29738 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 86922225 is about 9323.2089432770. The cubic root of 86922225 is about 442.9726826774.

The spelling of 86922225 in words is "eighty-six million, nine hundred twenty-two thousand, two hundred twenty-five".