22824979 has 2 divisors, whose sum is σ = 22824980. Its totient is φ = 22824978.

The previous prime is 22824961. The next prime is 22825003. The reversal of 22824979 is 97942822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22824979 - 2²¹ = 20727827 is a prime.

It is not a weakly prime, because it can be changed into another prime (22824929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11412489 + 11412490.

It is an arithmetic number, because the mean of its divisors is an integer number (11412490).

Almost surely, 2^22824979 is an apocalyptic number.

22824979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22824979 is an equidigital number, since it uses as much as digits as its factorization.

22824979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 22824979 is about 4777.5494764576. The cubic root of 22824979 is about 283.6635032984.

The spelling of 22824979 in words is "twenty-two million, eight hundred twenty-four thousand, nine hundred seventy-nine".