22790979 has 6 divisors (see below), whose sum is σ = 32920316. Its totient is φ = 15193980.

The previous prime is 22790969. The next prime is 22790981. The reversal of 22790979 is 97909722.

It is not a de Polignac number, because 22790979 - 2¹⁷ = 22659907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22790939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1266157 + ... + 1266174.

Almost surely, 2^22790979 is an apocalyptic number.

22790979 is a deficient number, since it is larger than the sum of its proper divisors (10129337).

22790979 is a wasteful number, since it uses less digits than its factorization.

22790979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532337 (or 2532334 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 22790979 is about 4773.9898407935. The cubic root of 22790979 is about 283.5225852876.

The spelling of 22790979 in words is "twenty-two million, seven hundred ninety thousand, nine hundred seventy-nine".