202222201957 has 2 divisors, whose sum is σ = 202222201958. Its totient is φ = 202222201956.

The previous prime is 202222201949. The next prime is 202222202027. The reversal of 202222201957 is 759102222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201637819681 + 584382276 = 449041^2 + 24174^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222201957 - 2³ = 202222201949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222201057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111100978 + 101111100979.

It is an arithmetic number, because the mean of its divisors is an integer number (101111100979).

Almost surely, 2^202222201957 is an apocalyptic number.

It is an amenable number.

202222201957 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222201957 is an equidigital number, since it uses as much as digits as its factorization.

202222201957 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.

The spelling of 202222201957 in words is "two hundred two billion, two hundred twenty-two million, two hundred one thousand, nine hundred fifty-seven".