24222791 has 2 divisors, whose sum is σ = 24222792. Its totient is φ = 24222790.

The previous prime is 24222763. The next prime is 24222799. The reversal of 24222791 is 19722242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24222791 - 2¹⁰ = 24221767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24222799) 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, 12111395 + 12111396.

It is an arithmetic number, because the mean of its divisors is an integer number (12111396).

Almost surely, 2^24222791 is an apocalyptic number.

24222791 is a deficient number, since it is larger than the sum of its proper divisors (1).

24222791 is an equidigital number, since it uses as much as digits as its factorization.

24222791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 24222791 is about 4921.6654701432. The cubic root of 24222791 is about 289.3397225413.

The spelling of 24222791 in words is "twenty-four million, two hundred twenty-two thousand, seven hundred ninety-one".