22208922 has 24 divisors (see below), whose sum is σ = 48218976. Its totient is φ = 7387656.

The previous prime is 22208911. The next prime is 22208947. The reversal of 22208922 is 22980222.

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, 10693 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (2009124).

Almost surely, 2^22208922 is an apocalyptic number.

22208922 is an abundant number, since it is smaller than the sum of its proper divisors (26010054).

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

22208922 is a wasteful number, since it uses less digits than its factorization.

22208922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22208922 is about 4712.6342951687. The cubic root of 22208922 is about 281.0881213642.

It can be divided in two parts, 222089 and 22, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 22208922 in words is "twenty-two million, two hundred eight thousand, nine hundred twenty-two".