22519202794 has 12 divisors (see below), whose sum is σ = 37128768642. Its totient is φ = 10236001160.

The previous prime is 22519202759. The next prime is 22519202801. The reversal of 22519202794 is 49720291522.

It can be written as a sum of positive squares in only one way, i.e., 19463877169 + 3055325625 = 139513^2 + 55275^2 .

It is a super-2 number, since 2×22519202794² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22519202794.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46527037 + ... + 46527520.

Almost surely, 2^22519202794 is an apocalyptic number.

22519202794 is a deficient number, since it is larger than the sum of its proper divisors (14609565848).

22519202794 is a wasteful number, since it uses less digits than its factorization.

22519202794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93054581 (or 93054570 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 22519202794 in words is "twenty-two billion, five hundred nineteen million, two hundred two thousand, seven hundred ninety-four".