22774170979 has 4 divisors (see below), whose sum is σ = 26027623984. Its totient is φ = 19520717976.

The previous prime is 22774170977. The next prime is 22774170997. The reversal of 22774170979 is 97907147722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22774170979 - 2¹ = 22774170977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22774170971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626726492 + ... + 1626726505.

It is an arithmetic number, because the mean of its divisors is an integer number (6506905996).

Almost surely, 2^22774170979 is an apocalyptic number.

22774170979 is a deficient number, since it is larger than the sum of its proper divisors (3253453005).

22774170979 is an equidigital number, since it uses as much as digits as its factorization.

22774170979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253453004.

The product of its (nonzero) digits is 3111696, while the sum is 55.

It can be divided in two parts, 22774 and 170979, that added together give a triangular number (193753 = T₆₂₂).

The spelling of 22774170979 in words is "twenty-two billion, seven hundred seventy-four million, one hundred seventy thousand, nine hundred seventy-nine".