22776621139 has 2 divisors, whose sum is σ = 22776621140. Its totient is φ = 22776621138.

The previous prime is 22776621137. The next prime is 22776621169. The reversal of 22776621139 is 93112667722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22776621139 - 2¹ = 22776621137 is a prime.

Together with 22776621137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22776621137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11388310569 + 11388310570.

It is an arithmetic number, because the mean of its divisors is an integer number (11388310570).

Almost surely, 2^22776621139 is an apocalyptic number.

22776621139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22776621139 is an equidigital number, since it uses as much as digits as its factorization.

22776621139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The spelling of 22776621139 in words is "twenty-two billion, seven hundred seventy-six million, six hundred twenty-one thousand, one hundred thirty-nine".