22545658799 has 8 divisors (see below), whose sum is σ = 23747072640. Its totient is φ = 21345725016.

The previous prime is 22545658727. The next prime is 22545658829. The reversal of 22545658799 is 99785654522.

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-22545658799 is a prime.

It is a super-2 number, since 2×22545658799² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545658099) 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, 338669 + ... + 399734.

It is an arithmetic number, because the mean of its divisors is an integer number (2968384080).

Almost surely, 2^22545658799 is an apocalyptic number.

22545658799 is a deficient number, since it is larger than the sum of its proper divisors (1201413841).

22545658799 is a wasteful number, since it uses less digits than its factorization.

22545658799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740029.

The product of its digits is 54432000, while the sum is 62.

The spelling of 22545658799 in words is "twenty-two billion, five hundred forty-five million, six hundred fifty-eight thousand, seven hundred ninety-nine".