22793992 has 32 divisors (see below), whose sum is σ = 46793880. Its totient is φ = 10344960.

The previous prime is 22793963. The next prime is 22793993. The reversal of 22793992 is 29939722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7001316 + 15792676 = 2646^2 + 3974^2 .

It is not an unprimeable number, because it can be changed into a prime (22793993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 8140.

Almost surely, 2^22793992 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 22793992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23396940).

22793992 is an abundant number, since it is smaller than the sum of its proper divisors (23999888).

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

22793992 is a wasteful number, since it uses less digits than its factorization.

22793992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3669 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 22793992 is about 4774.3053945050. The cubic root of 22793992 is about 283.5350787674.

The spelling of 22793992 in words is "twenty-two million, seven hundred ninety-three thousand, nine hundred ninety-two".