22425244531 has 2 divisors, whose sum is σ = 22425244532. Its totient is φ = 22425244530.

The previous prime is 22425244477. The next prime is 22425244537. The reversal of 22425244531 is 13544252422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22425244531 - 2⁷ = 22425244403 is a prime.

It is a super-2 number, since 2×22425244531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22425244537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212622265 + 11212622266.

It is an arithmetic number, because the mean of its divisors is an integer number (11212622266).

Almost surely, 2^22425244531 is an apocalyptic number.

22425244531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22425244531 is an equidigital number, since it uses as much as digits as its factorization.

22425244531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 34.

Adding to 22425244531 its reverse (13544252422), we get a palindrome (35969496953).

The spelling of 22425244531 in words is "twenty-two billion, four hundred twenty-five million, two hundred forty-four thousand, five hundred thirty-one".