422142131 has 2 divisors, whose sum is σ = 422142132. Its totient is φ = 422142130.

The previous prime is 422142121. The next prime is 422142151. The reversal of 422142131 is 131241224.

It is an a-pointer prime, because the next prime (422142151) can be obtained adding 422142131 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422142131 - 2¹⁴ = 422125747 is a prime.

It is a super-2 number, since 2×422142131² = 356407957530442322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422142121) 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, 211071065 + 211071066.

It is an arithmetic number, because the mean of its divisors is an integer number (211071066).

Almost surely, 2^422142131 is an apocalyptic number.

422142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

422142131 is an equidigital number, since it uses as much as digits as its factorization.

422142131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 422142131 is about 20546.0977073507. The cubic root of 422142131 is about 750.1582664518.

Adding to 422142131 its reverse (131241224), we get a palindrome (553383355).

The spelling of 422142131 in words is "four hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-one".