18822904 has 32 divisors (see below), whose sum is σ = 36177120. Its totient is φ = 9179136.

The previous prime is 18822871. The next prime is 18822907. The reversal of 18822904 is 40922881.

It is a self number, because there is not a number n which added to its sum of digits gives 18822904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97432 + ... + 97624.

It is an arithmetic number, because the mean of its divisors is an integer number (1130535).

Almost surely, 2^18822904 is an apocalyptic number.

It is an amenable number.

18822904 is a deficient number, since it is larger than the sum of its proper divisors (17354216).

18822904 is a wasteful number, since it uses less digits than its factorization.

18822904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18822904 is about 4338.5370806298. The cubic root of 18822904 is about 266.0085172617.

The spelling of 18822904 in words is "eighteen million, eight hundred twenty-two thousand, nine hundred four".