22605404 has 12 divisors (see below), whose sum is σ = 39651864. Its totient is φ = 11276304.

The previous prime is 22605379. The next prime is 22605419. The reversal of 22605404 is 40450622.

It is a super-2 number, since 2×22605404² = 1022008580006432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22605404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4607 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (3304322).

Almost surely, 2^22605404 is an apocalyptic number.

It is an amenable number.

22605404 is a deficient number, since it is larger than the sum of its proper divisors (17046460).

22605404 is a wasteful number, since it uses less digits than its factorization.

22605404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13204 (or 13202 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22605404 is about 4754.5140656012. The cubic root of 22605404 is about 282.7509618902.

The spelling of 22605404 in words is "twenty-two million, six hundred five thousand, four hundred four".