22044304 has 40 divisors (see below), whose sum is σ = 45800640. Its totient is φ = 10251648.

The previous prime is 22044301. The next prime is 22044307. The reversal of 22044304 is 40344022.

It is an interprime number because it is at equal distance from previous prime (22044301) and next prime (22044307).

It is not an unprimeable number, because it can be changed into a prime (22044301) 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, 12807 + ... + 14425.

It is an arithmetic number, because the mean of its divisors is an integer number (1145016).

Almost surely, 2^22044304 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 22044304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22900320).

22044304 is an abundant number, since it is smaller than the sum of its proper divisors (23756336).

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

22044304 is a wasteful number, since it uses less digits than its factorization.

22044304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22044304 is about 4695.1362067569. The cubic root of 22044304 is about 280.3919002031.

Adding to 22044304 its reverse (40344022), we get a palindrome (62388326).

The spelling of 22044304 in words is "twenty-two million, forty-four thousand, three hundred four".