22746979 has 4 divisors (see below), whose sum is σ = 22757760. Its totient is φ = 22736200.

The previous prime is 22746973. The next prime is 22747001. The reversal of 22746979 is 97964722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22746979 - 2¹⁷ = 22615907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22746973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (5689440).

Almost surely, 2^22746979 is an apocalyptic number.

22746979 is a deficient number, since it is larger than the sum of its proper divisors (10781).

22746979 is an equidigital number, since it uses as much as digits as its factorization.

22746979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780.

The product of its digits is 381024, while the sum is 46.

The square root of 22746979 is about 4769.3793097215. The cubic root of 22746979 is about 283.3400126069.

The spelling of 22746979 in words is "twenty-two million, seven hundred forty-six thousand, nine hundred seventy-nine".