12422455531 has 16 divisors (see below), whose sum is σ = 13168340640. Its totient is φ = 11685980160.

The previous prime is 12422455523. The next prime is 12422455553. The reversal of 12422455531 is 13555422421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12422455531 - 2³ = 12422455523 is a prime.

It is a super-2 number, since 2×12422455531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12422455231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656011 + ... + 2660683.

It is an arithmetic number, because the mean of its divisors is an integer number (823021290).

Almost surely, 2^12422455531 is an apocalyptic number.

12422455531 is a deficient number, since it is larger than the sum of its proper divisors (745885109).

12422455531 is a wasteful number, since it uses less digits than its factorization.

12422455531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its digits is 48000, while the sum is 34.

Adding to 12422455531 its reverse (13555422421), we get a palindrome (25977877952).

The spelling of 12422455531 in words is "twelve billion, four hundred twenty-two million, four hundred fifty-five thousand, five hundred thirty-one".