22792992 has 48 divisors (see below), whose sum is σ = 60147360. Its totient is φ = 7557632.

The previous prime is 22792981. The next prime is 22792993. The reversal of 22792992 is 29929722.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (22792993) 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, 21859 + ... + 22877.

It is an arithmetic number, because the mean of its divisors is an integer number (1253070).

Almost surely, 2^22792992 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 22792992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30073680).

22792992 is an abundant number, since it is smaller than the sum of its proper divisors (37354368).

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

22792992 is a wasteful number, since it uses less digits than its factorization.

22792992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1257 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 22792992 is about 4774.2006660801. The cubic root of 22792992 is about 283.5309323645.

The spelling of 22792992 in words is "twenty-two million, seven hundred ninety-two thousand, nine hundred ninety-two".