22829904 has 80 divisors (see below), whose sum is σ = 67108800. Its totient is φ = 7426944.

The previous prime is 22829881. The next prime is 22829923. The reversal of 22829904 is 40992822.

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

It is a congruent number.

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, 17962 + ... + 19190.

It is an arithmetic number, because the mean of its divisors is an integer number (838860).

Almost surely, 2^22829904 is an apocalyptic number.

22829904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22829904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33554400).

22829904 is an abundant number, since it is smaller than the sum of its proper divisors (44278896).

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

22829904 is a wasteful number, since it uses less digits than its factorization.

22829904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22829904 is about 4778.0648802627. The cubic root of 22829904 is about 283.6839040808.

The spelling of 22829904 in words is "twenty-two million, eight hundred twenty-nine thousand, nine hundred four".