422137 has 2 divisors, whose sum is σ = 422138. Its totient is φ = 422136.

The previous prime is 422129. The next prime is 422141. The reversal of 422137 is 731224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 32761 = 624^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 422137 - 2³ = 422129 is a prime.

It is not a weakly prime, because it can be changed into another prime (422537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211068 + 211069.

It is an arithmetic number, because the mean of its divisors is an integer number (211069).

2⁴²²¹³⁷ is an apocalyptic number.

It is an amenable number.

422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

422137 is an equidigital number, since it uses as much as digits as its factorization.

422137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 422137 is about 649.7207092282. The cubic root of 422137 is about 75.0155227130.

The spelling of 422137 in words is "four hundred twenty-two thousand, one hundred thirty-seven".