22244456779 has 2 divisors, whose sum is σ = 22244456780. Its totient is φ = 22244456778.

The previous prime is 22244456771. The next prime is 22244456783. The reversal of 22244456779 is 97765444222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22244456779 - 2³ = 22244456771 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22244456771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122228389 + 11122228390.

It is an arithmetic number, because the mean of its divisors is an integer number (11122228390).

Almost surely, 2^22244456779 is an apocalyptic number.

22244456779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244456779 is an equidigital number, since it uses as much as digits as its factorization.

22244456779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 52.

The spelling of 22244456779 in words is "twenty-two billion, two hundred forty-four million, four hundred fifty-six thousand, seven hundred seventy-nine".