22494518 has 16 divisors (see below), whose sum is σ = 35875440. Its totient is φ = 10548000.

The previous prime is 22494497. The next prime is 22494523. The reversal of 22494518 is 81549422.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908 + ... + 6768.

It is an arithmetic number, because the mean of its divisors is an integer number (2242215).

Almost surely, 2^22494518 is an apocalyptic number.

22494518 is a deficient number, since it is larger than the sum of its proper divisors (13380922).

22494518 is a wasteful number, since it uses less digits than its factorization.

22494518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983.

The product of its digits is 23040, while the sum is 35.

The square root of 22494518 is about 4742.8386015128. The cubic root of 22494518 is about 282.2878789819.

The spelling of 22494518 in words is "twenty-two million, four hundred ninety-four thousand, five hundred eighteen".