22445656679 has 8 divisors (see below), whose sum is σ = 22521481680. Its totient is φ = 22369939200.

The previous prime is 22445656663. The next prime is 22445656747. The reversal of 22445656679 is 97665654422.

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 22445656679 - 2⁴ = 22445656663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445656879) 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, 402839 + ... + 455159.

It is an arithmetic number, because the mean of its divisors is an integer number (2815185210).

Almost surely, 2^22445656679 is an apocalyptic number.

22445656679 is a deficient number, since it is larger than the sum of its proper divisors (75825001).

22445656679 is a wasteful number, since it uses less digits than its factorization.

22445656679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53761.

The product of its digits is 21772800, while the sum is 56.

The spelling of 22445656679 in words is "twenty-two billion, four hundred forty-five million, six hundred fifty-six thousand, six hundred seventy-nine".