22490365018 has 16 divisors (see below), whose sum is σ = 38739385440. Its totient is φ = 9684846000.

The previous prime is 22490364997. The next prime is 22490365019. The reversal of 22490365018 is 81056309422.

It is not an unprimeable number, because it can be changed into a prime (22490365019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26901933 + ... + 26902768.

It is an arithmetic number, because the mean of its divisors is an integer number (2421211590).

Almost surely, 2^22490365018 is an apocalyptic number.

22490365018 is a deficient number, since it is larger than the sum of its proper divisors (16249020422).

22490365018 is a wasteful number, since it uses less digits than its factorization.

22490365018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53804733.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 22490365018 in words is "twenty-two billion, four hundred ninety million, three hundred sixty-five thousand, eighteen".