422433531 has 12 divisors (see below), whose sum is σ = 657119008. Its totient is φ = 259959024.

The previous prime is 422433521. The next prime is 422433541. The reversal of 422433531 is 135334224.

It is an interprime number because it is at equal distance from previous prime (422433521) and next prime (422433541).

It is not a de Polignac number, because 422433531 - 2⁵ = 422433499 is a prime.

It is a super-2 number, since 2×422433531² = 356900176226255922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422433495 and 422433504.

It is not an unprimeable number, because it can be changed into a prime (422433511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805155 + ... + 1805388.

Almost surely, 2^422433531 is an apocalyptic number.

422433531 is a deficient number, since it is larger than the sum of its proper divisors (234685477).

422433531 is a wasteful number, since it uses less digits than its factorization.

422433531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610562 (or 3610559 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 422433531 is about 20553.1878549290. The cubic root of 422433531 is about 750.3308353758.

Adding to 422433531 its reverse (135334224), we get a palindrome (557767755).

The spelling of 422433531 in words is "four hundred twenty-two million, four hundred thirty-three thousand, five hundred thirty-one".