22400323247 has 2 divisors, whose sum is σ = 22400323248. Its totient is φ = 22400323246.

The previous prime is 22400323223. The next prime is 22400323333. The reversal of 22400323247 is 74232300422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22400323247 - 2²⁰ = 22399274671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400323447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200161623 + 11200161624.

It is an arithmetic number, because the mean of its divisors is an integer number (11200161624).

Almost surely, 2^22400323247 is an apocalyptic number.

22400323247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400323247 is an equidigital number, since it uses as much as digits as its factorization.

22400323247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

Adding to 22400323247 its reverse (74232300422), we get a palindrome (96632623669).

The spelling of 22400323247 in words is "twenty-two billion, four hundred million, three hundred twenty-three thousand, two hundred forty-seven".