22664994539 has 8 divisors (see below), whose sum is σ = 24730671168. Its totient is φ = 20600188360.

The previous prime is 22664994529. The next prime is 22664994617. The reversal of 22664994539 is 93549946622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22664994539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22664994529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162557 + ... + 267870.

It is an arithmetic number, because the mean of its divisors is an integer number (3091333896).

Almost surely, 2^22664994539 is an apocalyptic number.

22664994539 is a deficient number, since it is larger than the sum of its proper divisors (2065676629).

22664994539 is a wasteful number, since it uses less digits than its factorization.

22664994539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435225.

The product of its digits is 25194240, while the sum is 59.

The spelling of 22664994539 in words is "twenty-two billion, six hundred sixty-four million, nine hundred ninety-four thousand, five hundred thirty-nine".