22387746605979 has 8 divisors (see below), whose sum is σ = 29850350805072. Its totient is φ = 14925153405440.

The previous prime is 22387746605971. The next prime is 22387746605999. The reversal of 22387746605979 is 97950664778322.

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 22387746605979 - 2³ = 22387746605971 is a prime.

It is a super-2 number, since 2×22387746605979² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22387746605979.

It is not an unprimeable number, because it can be changed into a prime (22387746605971) 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, 5778859 + ... + 8841419.

It is an arithmetic number, because the mean of its divisors is an integer number (3731293850634).

Almost surely, 2^{22387746605979} is an apocalyptic number.

22387746605979 is a deficient number, since it is larger than the sum of its proper divisors (7462604199093).

22387746605979 is a wasteful number, since it uses less digits than its factorization.

22387746605979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499277.

The product of its (nonzero) digits is 1920360960, while the sum is 75.

The spelling of 22387746605979 in words is "twenty-two trillion, three hundred eighty-seven billion, seven hundred forty-six million, six hundred five thousand, nine hundred seventy-nine".