22351955456 has 20 divisors (see below), whose sum is σ = 44660255772. Its totient is φ = 11175977472.

The previous prime is 22351955447. The next prime is 22351955489. The reversal of 22351955456 is 65455915322.

It is a self number, because there is not a number n which added to its sum of digits gives 22351955456.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 21827570 + ... + 21828593.

Almost surely, 2^22351955456 is an apocalyptic number.

It is an amenable number.

22351955456 is a deficient number, since it is larger than the sum of its proper divisors (22308300316).

22351955456 is an frugal number, since it uses more digits than its factorization.

22351955456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43656181 (or 43656165 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 47.

The spelling of 22351955456 in words is "twenty-two billion, three hundred fifty-one million, nine hundred fifty-five thousand, four hundred fifty-six".