22639898452 has 12 divisors (see below), whose sum is σ = 39990101760. Its totient is φ = 11214155096.

The previous prime is 22639898429. The next prime is 22639898507. The reversal of 22639898452 is 25489893622.

It is a congruent number.

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, 26448052 + ... + 26448907.

It is an arithmetic number, because the mean of its divisors is an integer number (3332508480).

Almost surely, 2^22639898452 is an apocalyptic number.

It is an amenable number.

22639898452 is a deficient number, since it is larger than the sum of its proper divisors (17350203308).

22639898452 is a wasteful number, since it uses less digits than its factorization.

22639898452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52897070 (or 52897068 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 22639898452 in words is "twenty-two billion, six hundred thirty-nine million, eight hundred ninety-eight thousand, four hundred fifty-two".