22845018 has 16 divisors (see below), whose sum is σ = 52217280. Its totient is φ = 6527136.

The previous prime is 22845007. The next prime is 22845023. The reversal of 22845018 is 81054822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271923 + ... + 272006.

It is an arithmetic number, because the mean of its divisors is an integer number (3263580).

Almost surely, 2^22845018 is an apocalyptic number.

22845018 is an abundant number, since it is smaller than the sum of its proper divisors (29372262).

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

22845018 is a wasteful number, since it uses less digits than its factorization.

22845018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543941.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 22845018 is about 4779.6462212176. The cubic root of 22845018 is about 283.7464923525.

The spelling of 22845018 in words is "twenty-two million, eight hundred forty-five thousand, eighteen".