12422226637 has 2 divisors, whose sum is σ = 12422226638. Its totient is φ = 12422226636.

The previous prime is 12422226629. The next prime is 12422226671. The reversal of 12422226637 is 73662222421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6707773801 + 5714452836 = 81901^2 + 75594^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422226637 - 2³ = 12422226629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12422226596 and 12422226605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12422226437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211113318 + 6211113319.

It is an arithmetic number, because the mean of its divisors is an integer number (6211113319).

Almost surely, 2^12422226637 is an apocalyptic number.

It is an amenable number.

12422226637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422226637 is an equidigital number, since it uses as much as digits as its factorization.

12422226637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The spelling of 12422226637 in words is "twelve billion, four hundred twenty-two million, two hundred twenty-six thousand, six hundred thirty-seven".