22226558377 has 2 divisors, whose sum is σ = 22226558378. Its totient is φ = 22226558376.

The previous prime is 22226558351. The next prime is 22226558383. The reversal of 22226558377 is 77385562222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22219181721 + 7376656 = 149061^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 22226558377 - 2²³ = 22218169769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22226558377.

It is not a weakly prime, because it can be changed into another prime (22226598377) 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 as a sum of consecutive naturals, namely, 11113279188 + 11113279189.

It is an arithmetic number, because the mean of its divisors is an integer number (11113279189).

Almost surely, 2^22226558377 is an apocalyptic number.

It is an amenable number.

22226558377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226558377 is an equidigital number, since it uses as much as digits as its factorization.

22226558377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The spelling of 22226558377 in words is "twenty-two billion, two hundred twenty-six million, five hundred fifty-eight thousand, three hundred seventy-seven".