422535331 has 2 divisors, whose sum is σ = 422535332. Its totient is φ = 422535330.

The previous prime is 422535317. The next prime is 422535343. The reversal of 422535331 is 133535224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422535331 is a prime.

It is a super-2 number, since 2×422535331² = 357072211886559122, 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 422535331.

It is not a weakly prime, because it can be changed into another prime (422535431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211267665 + 211267666.

It is an arithmetic number, because the mean of its divisors is an integer number (211267666).

Almost surely, 2^422535331 is an apocalyptic number.

422535331 is a deficient number, since it is larger than the sum of its proper divisors (1).

422535331 is an equidigital number, since it uses as much as digits as its factorization.

422535331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 28.

The square root of 422535331 is about 20555.6642072204. The cubic root of 422535331 is about 750.3911032748.

The spelling of 422535331 in words is "four hundred twenty-two million, five hundred thirty-five thousand, three hundred thirty-one".