24228639 has 20 divisors (see below), whose sum is σ = 37364800. Its totient is φ = 15629760.

The previous prime is 24228593. The next prime is 24228643. The reversal of 24228639 is 93682242.

It is not a de Polignac number, because 24228639 - 2⁷ = 24228511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24228649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2314 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (1868240).

Almost surely, 2^24228639 is an apocalyptic number.

24228639 is a deficient number, since it is larger than the sum of its proper divisors (13136161).

24228639 is an equidigital number, since it uses as much as digits as its factorization.

24228639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692 (or 9683 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 24228639 is about 4922.2595421209. The cubic root of 24228639 is about 289.3630053323.

The spelling of 24228639 in words is "twenty-four million, two hundred twenty-eight thousand, six hundred thirty-nine".