22123389996 has 36 divisors (see below), whose sum is σ = 56145837384. Its totient is φ = 7345080000.

The previous prime is 22123389973. The next prime is 22123390007. The reversal of 22123389996 is 69998332122.

22123389996 is a `hidden beast` number, since 2 + 212 + 338 + 9 + 9 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22123389996² (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 11 ways as a sum of consecutive naturals, for example, 1215145 + ... + 1233216.

It is an arithmetic number, because the mean of its divisors is an integer number (1559606594).

Almost surely, 2^22123389996 is an apocalyptic number.

It is an amenable number.

22123389996 is an abundant number, since it is smaller than the sum of its proper divisors (34022447388).

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

22123389996 is a wasteful number, since it uses less digits than its factorization.

22123389996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448622 (or 2448617 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The spelling of 22123389996 in words is "twenty-two billion, one hundred twenty-three million, three hundred eighty-nine thousand, nine hundred ninety-six".