86822216 has 16 divisors (see below), whose sum is σ = 175314300. Its totient is φ = 40071744.

The previous prime is 86822189. The next prime is 86822249. The reversal of 86822216 is 61222868.

It can be written as a sum of positive squares in 2 ways, for example, as 78676900 + 8145316 = 8870^2 + 2854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417311 + ... + 417518.

Almost surely, 2^86822216 is an apocalyptic number.

It is an amenable number.

86822216 is an abundant number, since it is smaller than the sum of its proper divisors (88492084).

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

86822216 is a wasteful number, since it uses less digits than its factorization.

86822216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834848 (or 834844 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 86822216 is about 9317.8439566243. The cubic root of 86822216 is about 442.8027289965.

The spelling of 86822216 in words is "eighty-six million, eight hundred twenty-two thousand, two hundred sixteen".