22049404 has 12 divisors (see below), whose sum is σ = 41554744. Its totient is φ = 10176624.

The previous prime is 22049389. The next prime is 22049407. The reversal of 22049404 is 40494022.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22049407) 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, 211962 + ... + 212065.

Almost surely, 2^22049404 is an apocalyptic number.

It is an amenable number.

22049404 is a deficient number, since it is larger than the sum of its proper divisors (19505340).

22049404 is a wasteful number, since it uses less digits than its factorization.

22049404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424044 (or 424042 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22049404 is about 4695.6792905819. The cubic root of 22049404 is about 280.4135216376.

The spelling of 22049404 in words is "twenty-two million, forty-nine thousand, four hundred four".