22764979 has 4 divisors (see below), whose sum is σ = 22790880. Its totient is φ = 22739080.

The previous prime is 22764961. The next prime is 22764997. The reversal of 22764979 is 97946722.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (22764961) and next prime (22764997).

It is a cyclic number.

It is not a de Polignac number, because 22764979 - 2¹³ = 22756787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22764919) 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, 11584 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (5697720).

Almost surely, 2^22764979 is an apocalyptic number.

22764979 is a deficient number, since it is larger than the sum of its proper divisors (25901).

22764979 is an equidigital number, since it uses as much as digits as its factorization.

22764979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900.

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

The square root of 22764979 is about 4771.2659745606. The cubic root of 22764979 is about 283.4147298628.

The spelling of 22764979 in words is "twenty-two million, seven hundred sixty-four thousand, nine hundred seventy-nine".