24222409 has 2 divisors, whose sum is σ = 24222410. Its totient is φ = 24222408.

The previous prime is 24222403. The next prime is 24222413. The reversal of 24222409 is 90422242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 8643600 = 3947^2 + 2940^2 .

It is a cyclic number.

It is not a de Polignac number, because 24222409 - 2²³ = 15833801 is a prime.

It is not a weakly prime, because it can be changed into another prime (24222403) 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, 12111204 + 12111205.

It is an arithmetic number, because the mean of its divisors is an integer number (12111205).

Almost surely, 2^24222409 is an apocalyptic number.

It is an amenable number.

24222409 is a deficient number, since it is larger than the sum of its proper divisors (1).

24222409 is an equidigital number, since it uses as much as digits as its factorization.

24222409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 24222409 is about 4921.6266619889. The cubic root of 24222409 is about 289.3382015446.

The spelling of 24222409 in words is "twenty-four million, two hundred twenty-two thousand, four hundred nine".