22738864899 has 4 divisors (see below), whose sum is σ = 30318486536. Its totient is φ = 15159243264.

The previous prime is 22738864871. The next prime is 22738864921. The reversal of 22738864899 is 99846883722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22738864899 - 2⁵ = 22738864867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22738864829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3789810814 + ... + 3789810819.

It is an arithmetic number, because the mean of its divisors is an integer number (7579621634).

Almost surely, 2^22738864899 is an apocalyptic number.

22738864899 is a deficient number, since it is larger than the sum of its proper divisors (7579621637).

22738864899 is an equidigital number, since it uses as much as digits as its factorization.

22738864899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579621636.

The product of its digits is 83607552, while the sum is 66.

The spelling of 22738864899 in words is "twenty-two billion, seven hundred thirty-eight million, eight hundred sixty-four thousand, eight hundred ninety-nine".