18465556022 has 16 divisors (see below), whose sum is σ = 27759609360. Its totient is φ = 9212370048.

The previous prime is 18465555991. The next prime is 18465556027. The reversal of 18465556022 is 22065556481.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18465556027) by changing a digit.

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, 4140818 + ... + 4145274.

It is an arithmetic number, because the mean of its divisors is an integer number (1734975585).

Almost surely, 2^18465556022 is an apocalyptic number.

18465556022 is a deficient number, since it is larger than the sum of its proper divisors (9294053338).

18465556022 is a wasteful number, since it uses less digits than its factorization.

18465556022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 18465556022 in words is "eighteen billion, four hundred sixty-five million, five hundred fifty-six thousand, twenty-two".