22929792 has 64 divisors (see below), whose sum is σ = 61412160. Its totient is φ = 7580160.

The previous prime is 22929791. The next prime is 22929799. The reversal of 22929792 is 29792922.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×22929792² = 1051550722326528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22929791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80883 + ... + 81165.

It is an arithmetic number, because the mean of its divisors is an integer number (959565).

Almost surely, 2^22929792 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 22929792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30706080).

22929792 is an abundant number, since it is smaller than the sum of its proper divisors (38482368).

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

22929792 is a wasteful number, since it uses less digits than its factorization.

22929792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 499 counting only the distinct ones).

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

The square root of 22929792 is about 4788.5062389016. The cubic root of 22929792 is about 284.0970375273.

The spelling of 22929792 in words is "twenty-two million, nine hundred twenty-nine thousand, seven hundred ninety-two".