22086312 has 16 divisors (see below), whose sum is σ = 55215840. Its totient is φ = 7362096.

The previous prime is 22086307. The next prime is 22086347. The reversal of 22086312 is 21368022.

It is a super-2 number, since 2×22086312² = 975610355522688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 920263 = 22086312 / (2 + 2 + 0 + 8 + 6 + 3 + 1 + 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, 460108 + ... + 460155.

It is an arithmetic number, because the mean of its divisors is an integer number (3450990).

Almost surely, 2^22086312 is an apocalyptic number.

It is an amenable number.

22086312 is an abundant number, since it is smaller than the sum of its proper divisors (33129528).

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

22086312 is a wasteful number, since it uses less digits than its factorization.

22086312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920272 (or 920268 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22086312 is about 4699.6076431975. The cubic root of 22086312 is about 280.5698937104.

The spelling of 22086312 in words is "twenty-two million, eighty-six thousand, three hundred twelve".