22899943738 has 32 divisors (see below), whose sum is σ = 41869747584. Its totient is φ = 9169516032.

The previous prime is 22899943679. The next prime is 22899943739. The reversal of 22899943738 is 83734999822.

It is a self number, because there is not a number n which added to its sum of digits gives 22899943738.

It is not an unprimeable number, because it can be changed into a prime (22899943739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318556 + ... + 383767.

It is an arithmetic number, because the mean of its divisors is an integer number (1308429612).

Almost surely, 2^22899943738 is an apocalyptic number.

22899943738 is a deficient number, since it is larger than the sum of its proper divisors (18969803846).

22899943738 is a wasteful number, since it uses less digits than its factorization.

22899943738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702486.

The product of its digits is 47029248, while the sum is 64.

The spelling of 22899943738 in words is "twenty-two billion, eight hundred ninety-nine million, nine hundred forty-three thousand, seven hundred thirty-eight".