18335020522 has 16 divisors (see below), whose sum is σ = 33849268992. Its totient is φ = 7253414640.

The previous prime is 18335020519. The next prime is 18335020553. The reversal of 18335020522 is 22502053381.

It is a super-2 number, since 2×18335020522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50370754 + ... + 50371117.

It is an arithmetic number, because the mean of its divisors is an integer number (2115579312).

Almost surely, 2^18335020522 is an apocalyptic number.

18335020522 is a deficient number, since it is larger than the sum of its proper divisors (15514248470).

18335020522 is a wasteful number, since it uses less digits than its factorization.

18335020522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100741893.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 18335020522 in words is "eighteen billion, three hundred thirty-five million, twenty thousand, five hundred twenty-two".