22089792 has 56 divisors (see below), whose sum is σ = 59066176. Its totient is φ = 7285248.

The previous prime is 22089791. The next prime is 22089803. The reversal of 22089792 is 29798022.

It is a self number, because there is not a number n which added to its sum of digits gives 22089792.

It is not an unprimeable number, because it can be changed into a prime (22089791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19218 + ... + 20334.

Almost surely, 2^22089792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22089792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29533088).

22089792 is an abundant number, since it is smaller than the sum of its proper divisors (36976384).

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

22089792 is a wasteful number, since it uses less digits than its factorization.

22089792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 22089792 is about 4699.9778722883. The cubic root of 22089792 is about 280.5846288090.

The spelling of 22089792 in words is "twenty-two million, eighty-nine thousand, seven hundred ninety-two".