22404499 has 12 divisors (see below), whose sum is σ = 24923136. Its totient is φ = 20116512.

The previous prime is 22404497. The next prime is 22404523. The reversal of 22404499 is 99440422.

It is not a de Polignac number, because 22404499 - 2¹ = 22404497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22404493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4462 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (2076928).

Almost surely, 2^22404499 is an apocalyptic number.

22404499 is a deficient number, since it is larger than the sum of its proper divisors (2518637).

22404499 is a wasteful number, since it uses less digits than its factorization.

22404499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22404499 is about 4733.3390962406. The cubic root of 22404499 is about 281.9108205174.

The spelling of 22404499 in words is "twenty-two million, four hundred four thousand, four hundred ninety-nine".