24220979 has 2 divisors, whose sum is σ = 24220980. Its totient is φ = 24220978.

The previous prime is 24220957. The next prime is 24221009. The reversal of 24220979 is 97902242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24220979 - 2¹² = 24216883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24220279) 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 as a sum of consecutive naturals, namely, 12110489 + 12110490.

It is an arithmetic number, because the mean of its divisors is an integer number (12110490).

Almost surely, 2^24220979 is an apocalyptic number.

24220979 is a deficient number, since it is larger than the sum of its proper divisors (1).

24220979 is an equidigital number, since it uses as much as digits as its factorization.

24220979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 24220979 is about 4921.4813826733. The cubic root of 24220979 is about 289.3325076191.

The spelling of 24220979 in words is "twenty-four million, two hundred twenty thousand, nine hundred seventy-nine".