22148618916 has 24 divisors (see below), whose sum is σ = 51712315200. Its totient is φ = 7378272352.

The previous prime is 22148618881. The next prime is 22148618977. The reversal of 22148618916 is 61981684122.

It is a super-2 number, since 2×22148618916² (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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554991 + ... + 593558.

It is an arithmetic number, because the mean of its divisors is an integer number (2154679800).

Almost surely, 2^22148618916 is an apocalyptic number.

It is an amenable number.

22148618916 is an abundant number, since it is smaller than the sum of its proper divisors (29563696284).

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

22148618916 is a wasteful number, since it uses less digits than its factorization.

22148618916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150163 (or 1150161 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The spelling of 22148618916 in words is "twenty-two billion, one hundred forty-eight million, six hundred eighteen thousand, nine hundred sixteen".