23222213249 has 2 divisors, whose sum is σ = 23222213250. Its totient is φ = 23222213248.

The previous prime is 23222213191. The next prime is 23222213291. The reversal of 23222213249 is 94231222232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13875190849 + 9347022400 = 117793^2 + 96680^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222213249 - 2²⁸ = 22953777793 is a prime.

It is a super-2 number, since 2×23222213249² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23222213149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611106624 + 11611106625.

It is an arithmetic number, because the mean of its divisors is an integer number (11611106625).

Almost surely, 2^23222213249 is an apocalyptic number.

It is an amenable number.

23222213249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222213249 is an equidigital number, since it uses as much as digits as its factorization.

23222213249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The spelling of 23222213249 in words is "twenty-three billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred forty-nine".