24229939 has 2 divisors, whose sum is σ = 24229940. Its totient is φ = 24229938.

The previous prime is 24229901. The next prime is 24229951. The reversal of 24229939 is 93992242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24229939 - 2¹⁹ = 23705651 is a prime.

It is not a weakly prime, because it can be changed into another prime (24229979) 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, 12114969 + 12114970.

It is an arithmetic number, because the mean of its divisors is an integer number (12114970).

Almost surely, 2^24229939 is an apocalyptic number.

24229939 is a deficient number, since it is larger than the sum of its proper divisors (1).

24229939 is an equidigital number, since it uses as much as digits as its factorization.

24229939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 24229939 is about 4922.3915935244. The cubic root of 24229939 is about 289.3681805464.

The spelling of 24229939 in words is "twenty-four million, two hundred twenty-nine thousand, nine hundred thirty-nine".