22553244431 has 2 divisors, whose sum is σ = 22553244432. Its totient is φ = 22553244430.

The previous prime is 22553244419. The next prime is 22553244433. The reversal of 22553244431 is 13444235522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22553244431 - 2¹⁰ = 22553243407 is a prime.

It is a super-2 number, since 2×22553244431² (a number of 22 digits) contains 22 as substring.

Together with 22553244433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22553244391 and 22553244400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22553244433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276622215 + 11276622216.

It is an arithmetic number, because the mean of its divisors is an integer number (11276622216).

Almost surely, 2^22553244431 is an apocalyptic number.

22553244431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22553244431 is an equidigital number, since it uses as much as digits as its factorization.

22553244431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 35.

Adding to 22553244431 its reverse (13444235522), we get a palindrome (35997479953).

The spelling of 22553244431 in words is "twenty-two billion, five hundred fifty-three million, two hundred forty-four thousand, four hundred thirty-one".