86506222 has 16 divisors (see below), whose sum is σ = 145382832. Its totient is φ = 38257920.

The previous prime is 86506207. The next prime is 86506237. The reversal of 86506222 is 22260568.

It is an interprime number because it is at equal distance from previous prime (86506207) and next prime (86506237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52323 + ... + 53950.

It is an arithmetic number, because the mean of its divisors is an integer number (9086427).

Almost surely, 2^86506222 is an apocalyptic number.

86506222 is a deficient number, since it is larger than the sum of its proper divisors (58876610).

86506222 is a wasteful number, since it uses less digits than its factorization.

86506222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106323.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 86506222 is about 9300.8721096465. The cubic root of 86506222 is about 442.2648747144.

The spelling of 86506222 in words is "eighty-six million, five hundred six thousand, two hundred twenty-two".