422242057 has 2 divisors, whose sum is σ = 422242058. Its totient is φ = 422242056.

The previous prime is 422242033. The next prime is 422242109. The reversal of 422242057 is 750242224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321520761 + 100721296 = 17931^2 + 10036^2 .

It is a cyclic number.

It is not a de Polignac number, because 422242057 - 2⁷ = 422241929 is a prime.

It is not a weakly prime, because it can be changed into another prime (422242157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211121028 + 211121029.

It is an arithmetic number, because the mean of its divisors is an integer number (211121029).

Almost surely, 2^422242057 is an apocalyptic number.

It is an amenable number.

422242057 is a deficient number, since it is larger than the sum of its proper divisors (1).

422242057 is an equidigital number, since it uses as much as digits as its factorization.

422242057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 422242057 is about 20548.5293147709. The cubic root of 422242057 is about 750.2174522059.

The spelling of 422242057 in words is "four hundred twenty-two million, two hundred forty-two thousand, fifty-seven".