22865138899 has 8 divisors (see below), whose sum is σ = 23982758208. Its totient is φ = 21773816640.

The previous prime is 22865138869. The next prime is 22865138903. The reversal of 22865138899 is 99883156822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22865138899 - 2¹⁷ = 22865007827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22865138869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6572482 + ... + 6575959.

It is an arithmetic number, because the mean of its divisors is an integer number (2997844776).

Almost surely, 2^22865138899 is an apocalyptic number.

22865138899 is a deficient number, since it is larger than the sum of its proper divisors (1117619309).

22865138899 is a wasteful number, since it uses less digits than its factorization.

22865138899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13148525.

The product of its digits is 14929920, while the sum is 61.

The spelling of 22865138899 in words is "twenty-two billion, eight hundred sixty-five million, one hundred thirty-eight thousand, eight hundred ninety-nine".