22518481522 has 24 divisors (see below), whose sum is σ = 37168634160. Its totient is φ = 10202872680.

The previous prime is 22518481511. The next prime is 22518481543.

22518481522 is nontrivially palindromic in base 10.

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 11 ways as a sum of consecutive naturals, for example, 540004 + ... + 580207.

It is an arithmetic number, because the mean of its divisors is an integer number (1548693090).

Almost surely, 2^22518481522 is an apocalyptic number.

22518481522 is a deficient number, since it is larger than the sum of its proper divisors (14650152638).

22518481522 is a wasteful number, since it uses less digits than its factorization.

22518481522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120278 (or 1120255 counting only the distinct ones).

The product of its digits is 102400, while the sum is 40.

The spelling of 22518481522 in words is "twenty-two billion, five hundred eighteen million, four hundred eighty-one thousand, five hundred twenty-two".