22404344 has 16 divisors (see below), whose sum is σ = 44219400. Its totient is φ = 10612512.

The previous prime is 22404341. The next prime is 22404367. The reversal of 22404344 is 44340422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73547 + ... + 73850.

Almost surely, 2^22404344 is an apocalyptic number.

It is an amenable number.

22404344 is a deficient number, since it is larger than the sum of its proper divisors (21815056).

22404344 is a wasteful number, since it uses less digits than its factorization.

22404344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147422 (or 147418 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 22404344 is about 4733.3227229928. The cubic root of 22404344 is about 281.9101704058.

Adding to 22404344 its reverse (44340422), we get a palindrome (66744766).

The spelling of 22404344 in words is "twenty-two million, four hundred four thousand, three hundred forty-four".