22056211057 has 2 divisors, whose sum is σ = 22056211058. Its totient is φ = 22056211056.

The previous prime is 22056211039. The next prime is 22056211109. The reversal of 22056211057 is 75011265022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20887186576 + 1169024481 = 144524^2 + 34191^2 .

It is a cyclic number.

It is not a de Polignac number, because 22056211057 - 2⁷ = 22056210929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22056211357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11028105528 + 11028105529.

It is an arithmetic number, because the mean of its divisors is an integer number (11028105529).

Almost surely, 2^22056211057 is an apocalyptic number.

It is an amenable number.

22056211057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22056211057 is an equidigital number, since it uses as much as digits as its factorization.

22056211057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 22056211057 its reverse (75011265022), we get a palindrome (97067476079).

The spelling of 22056211057 in words is "twenty-two billion, fifty-six million, two hundred eleven thousand, fifty-seven".