22748018402 has 6 divisors (see below), whose sum is σ = 34122347553. Its totient is φ = 11373902552.

The previous prime is 22748018389. The next prime is 22748018411. The reversal of 22748018402 is 20481084722.

It can be written as a sum of positive squares in 2 ways, for example, as 15725410801 + 7022607601 = 125401^2 + 83801^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106649.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 159974 + ... + 266622.

Almost surely, 2^22748018402 is an apocalyptic number.

22748018402 is a deficient number, since it is larger than the sum of its proper divisors (11374329151).

22748018402 is an frugal number, since it uses more digits than its factorization.

22748018402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213300 (or 106651 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The spelling of 22748018402 in words is "twenty-two billion, seven hundred forty-eight million, eighteen thousand, four hundred two".