22138148624 has 20 divisors (see below), whose sum is σ = 42934217436. Its totient is φ = 11058350592.

The previous prime is 22138148597. The next prime is 22138148651. The reversal of 22138148624 is 42684183122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22138148597) and next prime (22138148651).

It can be written as a sum of positive squares in 2 ways, for example, as 21833017600 + 305131024 = 147760^2 + 17468^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653189 + ... + 686244.

Almost surely, 2^22138148624 is an apocalyptic number.

It is an amenable number.

22138148624 is a deficient number, since it is larger than the sum of its proper divisors (20796068812).

22138148624 is a wasteful number, since it uses less digits than its factorization.

22138148624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340474 (or 1340468 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The spelling of 22138148624 in words is "twenty-two billion, one hundred thirty-eight million, one hundred forty-eight thousand, six hundred twenty-four".