22929912 has 64 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 7545312.

The previous prime is 22929901. The next prime is 22929913. The reversal of 22929912 is 21992922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22929913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17289 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^22929912 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 22929912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32256000).

22929912 is an abundant number, since it is smaller than the sum of its proper divisors (41582088).

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

22929912 is a wasteful number, since it uses less digits than its factorization.

22929912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1367 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 22929912 is about 4788.5187688888. The cubic root of 22929912 is about 284.0975331211.

The spelling of 22929912 in words is "twenty-two million, nine hundred twenty-nine thousand, nine hundred twelve".