24220439 has 2 divisors, whose sum is σ = 24220440. Its totient is φ = 24220438.

The previous prime is 24220429. The next prime is 24220447. The reversal of 24220439 is 93402242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24220439 - 2¹² = 24216343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24220429) 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, 12110219 + 12110220.

It is an arithmetic number, because the mean of its divisors is an integer number (12110220).

Almost surely, 2^24220439 is an apocalyptic number.

24220439 is a deficient number, since it is larger than the sum of its proper divisors (1).

24220439 is an equidigital number, since it uses as much as digits as its factorization.

24220439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 24220439 is about 4921.4265208372. The cubic root of 24220439 is about 289.3303574072.

The spelling of 24220439 in words is "twenty-four million, two hundred twenty thousand, four hundred thirty-nine".