22399399165 has 64 divisors (see below), whose sum is σ = 32244436224. Its totient is φ = 14722560000.

The previous prime is 22399399163. The next prime is 22399399199. The reversal of 22399399165 is 56199399322.

It is not a de Polignac number, because 22399399165 - 2¹ = 22399399163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22399399163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10510150 + ... + 10512280.

It is an arithmetic number, because the mean of its divisors is an integer number (503819316).

Almost surely, 2^22399399165 is an apocalyptic number.

It is an amenable number.

22399399165 is a deficient number, since it is larger than the sum of its proper divisors (9845037059).

22399399165 is a wasteful number, since it uses less digits than its factorization.

22399399165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 7085880, while the sum is 58.

The spelling of 22399399165 in words is "twenty-two billion, three hundred ninety-nine million, three hundred ninety-nine thousand, one hundred sixty-five".