22222222233018 has 32 divisors (see below), whose sum is σ = 44513341171200. Its totient is φ = 7395925364016.

The previous prime is 22222222232957. The next prime is 22222222233019. The reversal of 22222222233018 is 81033222222222.

It is a self number, because there is not a number n which added to its sum of digits gives 22222222233018.

It is not an unprimeable number, because it can be changed into a prime (22222222233019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153354643 + ... + 153499481.

It is an arithmetic number, because the mean of its divisors is an integer number (1391041911600).

Almost surely, 2^{22222222233018} is an apocalyptic number.

22222222233018 is an abundant number, since it is smaller than the sum of its proper divisors (22291118938182).

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

22222222233018 is a wasteful number, since it uses less digits than its factorization.

22222222233018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184306.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 22222222233018 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-three thousand, eighteen".