422124281 has 2 divisors, whose sum is σ = 422124282. Its totient is φ = 422124280.

The previous prime is 422124259. The next prime is 422124289. The reversal of 422124281 is 182421224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407232400 + 14891881 = 20180^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 422124281 - 2¹⁸ = 421862137 is a prime.

It is a super-2 number, since 2×422124281² = 356377817219533922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422124281.

It is not a weakly prime, because it can be changed into another prime (422124289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211062140 + 211062141.

It is an arithmetic number, because the mean of its divisors is an integer number (211062141).

Almost surely, 2^422124281 is an apocalyptic number.

It is an amenable number.

422124281 is a deficient number, since it is larger than the sum of its proper divisors (1).

422124281 is an equidigital number, since it uses as much as digits as its factorization.

422124281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 26.

The square root of 422124281 is about 20545.6633137020. The cubic root of 422124281 is about 750.1476929879.

The spelling of 422124281 in words is "four hundred twenty-two million, one hundred twenty-four thousand, two hundred eighty-one".