22449792 has 128 divisors (see below), whose sum is σ = 66830400. Its totient is φ = 6635520.

The previous prime is 22449781. The next prime is 22449803. The reversal of 22449792 is 29794422.

It is an interprime number because it is at equal distance from previous prime (22449781) and next prime (22449803).

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 22449792.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123942 + ... + 124122.

Almost surely, 2^22449792 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 22449792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33415200).

22449792 is an abundant number, since it is smaller than the sum of its proper divisors (44380608).

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

22449792 is a wasteful number, since it uses less digits than its factorization.

22449792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 222 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 22449792 is about 4738.1211466150. The cubic root of 22449792 is about 282.1006632228.

The spelling of 22449792 in words is "twenty-two million, four hundred forty-nine thousand, seven hundred ninety-two".