24228719 has 2 divisors, whose sum is σ = 24228720. Its totient is φ = 24228718.

The previous prime is 24228713. The next prime is 24228733. The reversal of 24228719 is 91782242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24228719 is a prime.

It is a super-2 number, since 2×24228719² = 1174061648761922, which contains 22 as substring.

It is a Sophie Germain 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 (24228713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12114359 + 12114360.

It is an arithmetic number, because the mean of its divisors is an integer number (12114360).

Almost surely, 2^24228719 is an apocalyptic number.

24228719 is a deficient number, since it is larger than the sum of its proper divisors (1).

24228719 is an equidigital number, since it uses as much as digits as its factorization.

24228719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 24228719 is about 4922.2676684634. The cubic root of 24228719 is about 289.3633238124.

The spelling of 24228719 in words is "twenty-four million, two hundred twenty-eight thousand, seven hundred nineteen".