22022202001957 has 2 divisors, whose sum is σ = 22022202001958. Its totient is φ = 22022202001956.

The previous prime is 22022202001841. The next prime is 22022202002033. The reversal of 22022202001957 is 75910020222022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22016825299681 + 5376702276 = 4692209^2 + 73326^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022202001957 - 2⁷ = 22022202001829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022202601957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011101000978 + 11011101000979.

It is an arithmetic number, because the mean of its divisors is an integer number (11011101000979).

Almost surely, 2^{22022202001957} is an apocalyptic number.

It is an amenable number.

22022202001957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022202001957 is an equidigital number, since it uses as much as digits as its factorization.

22022202001957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 22022202001957 its reverse (75910020222022), we get a palindrome (97932222223979).

The spelling of 22022202001957 in words is "twenty-two trillion, twenty-two billion, two hundred two million, one thousand, nine hundred fifty-seven".