422534231 has 16 divisors (see below), whose sum is σ = 489705216. Its totient is φ = 357094656.

The previous prime is 422534213. The next prime is 422534237. The reversal of 422534231 is 132435224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422534231 is a prime.

It is a super-2 number, since 2×422534231² = 357070352733522722, 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 422534231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422534237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207440 + ... + 209466.

It is an arithmetic number, because the mean of its divisors is an integer number (30606576).

Almost surely, 2^422534231 is an apocalyptic number.

422534231 is a deficient number, since it is larger than the sum of its proper divisors (67170985).

422534231 is a wasteful number, since it uses less digits than its factorization.

422534231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438.

The product of its digits is 5760, while the sum is 26.

The square root of 422534231 is about 20555.6374505876. The cubic root of 422534231 is about 750.3904521017.

Adding to 422534231 its reverse (132435224), we get a palindrome (554969455).

The spelling of 422534231 in words is "four hundred twenty-two million, five hundred thirty-four thousand, two hundred thirty-one".