86547222 has 24 divisors (see below), whose sum is σ = 188478576. Its totient is φ = 28701456.

The previous prime is 86547211. The next prime is 86547239. The reversal of 86547222 is 22274568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8658 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (7853274).

Almost surely, 2^86547222 is an apocalyptic number.

86547222 is an abundant number, since it is smaller than the sum of its proper divisors (101931354).

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

86547222 is a wasteful number, since it uses less digits than its factorization.

86547222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612 (or 24609 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 86547222 is about 9303.0759429341. The cubic root of 86547222 is about 442.3347347987.

It can be divided in two parts, 8654 and 7222, that added together give a square (15876 = 126²).

The spelling of 86547222 in words is "eighty-six million, five hundred forty-seven thousand, two hundred twenty-two".