422998057 has 2 divisors, whose sum is σ = 422998058. Its totient is φ = 422998056.

The previous prime is 422998027. The next prime is 422998087. The reversal of 422998057 is 750899224.

It is a balanced prime because it is at equal distance from previous prime (422998027) and next prime (422998087).

It can be written as a sum of positive squares in only one way, i.e., 394578496 + 28419561 = 19864^2 + 5331^2 .

It is a cyclic number.

It is not a de Polignac number, because 422998057 - 2²³ = 414609449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422997998 and 422998016.

It is not a weakly prime, because it can be changed into another prime (422998027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211499028 + 211499029.

It is an arithmetic number, because the mean of its divisors is an integer number (211499029).

Almost surely, 2^422998057 is an apocalyptic number.

It is an amenable number.

422998057 is a deficient number, since it is larger than the sum of its proper divisors (1).

422998057 is an equidigital number, since it uses as much as digits as its factorization.

422998057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 422998057 is about 20566.9165652025. The cubic root of 422998057 is about 750.6649255837.

The spelling of 422998057 in words is "four hundred twenty-two million, nine hundred ninety-eight thousand, fifty-seven".