422433131 has 2 divisors, whose sum is σ = 422433132. Its totient is φ = 422433130.

The previous prime is 422433101. The next prime is 422433139. The reversal of 422433131 is 131334224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422433131 is a prime.

It is a super-2 number, since 2×422433131² = 356899500332926322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 422433097 and 422433106.

It is not a weakly prime, because it can be changed into another prime (422433139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211216565 + 211216566.

It is an arithmetic number, because the mean of its divisors is an integer number (211216566).

Almost surely, 2^422433131 is an apocalyptic number.

422433131 is a deficient number, since it is larger than the sum of its proper divisors (1).

422433131 is an equidigital number, since it uses as much as digits as its factorization.

422433131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 422433131 is about 20553.1781240761. The cubic root of 422433131 is about 750.3305985477.

Adding to 422433131 its reverse (131334224), we get a palindrome (553767355).

The spelling of 422433131 in words is "four hundred twenty-two million, four hundred thirty-three thousand, one hundred thirty-one".