22226976677 has 2 divisors, whose sum is σ = 22226976678. Its totient is φ = 22226976676.

The previous prime is 22226976637. The next prime is 22226976713. The reversal of 22226976677 is 77667962222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22222163041 + 4813636 = 149071^2 + 2194^2 .

It is a cyclic number.

It is not a de Polignac number, because 22226976677 - 2²⁸ = 21958541221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226976637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113488338 + 11113488339.

It is an arithmetic number, because the mean of its divisors is an integer number (11113488339).

Almost surely, 2^22226976677 is an apocalyptic number.

It is an amenable number.

22226976677 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226976677 is an equidigital number, since it uses as much as digits as its factorization.

22226976677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 56.

The spelling of 22226976677 in words is "twenty-two billion, two hundred twenty-six million, nine hundred seventy-six thousand, six hundred seventy-seven".