18022996224 has 108 divisors (see below), whose sum is σ = 52004486352. Its totient is φ = 6003072000.

The previous prime is 18022996153. The next prime is 18022996261. The reversal of 18022996224 is 42269922081.

18022996224 is a `hidden beast` number, since 18 + 0 + 2 + 2 + 9 + 9 + 622 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18022996224.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4446999 + ... + 4451049.

Almost surely, 2^18022996224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18022996224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26002243176).

18022996224 is an abundant number, since it is smaller than the sum of its proper divisors (33981490128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18022996224 is a wasteful number, since it uses less digits than its factorization.

18022996224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004 (or 5987 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 18022996224 in words is "eighteen billion, twenty-two million, nine hundred ninety-six thousand, two hundred twenty-four".