22604424 has 48 divisors (see below), whose sum is σ = 60049200. Its totient is φ = 7089408.

The previous prime is 22604419. The next prime is 22604431. The reversal of 22604424 is 42440622.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22604394 and 22604403.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5307 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (1251025).

Almost surely, 2^22604424 is an apocalyptic number.

22604424 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 22604424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30024600).

22604424 is an abundant number, since it is smaller than the sum of its proper divisors (37444776).

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

22604424 is a wasteful number, since it uses less digits than its factorization.

22604424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22604424 is about 4754.4110045304. The cubic root of 22604424 is about 282.7468758474.

The spelling of 22604424 in words is "twenty-two million, six hundred four thousand, four hundred twenty-four".