422134231 has 4 divisors (see below), whose sum is σ = 423046432. Its totient is φ = 421222032.

The previous prime is 422134211. The next prime is 422134277. The reversal of 422134231 is 132431224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422134231 - 2¹⁷ = 422003159 is a prime.

It is a super-2 number, since 2×422134231² = 356394617963922722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422134201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455406 + ... + 456331.

It is an arithmetic number, because the mean of its divisors is an integer number (105761608).

Almost surely, 2^422134231 is an apocalyptic number.

422134231 is a deficient number, since it is larger than the sum of its proper divisors (912201).

422134231 is an equidigital number, since it uses as much as digits as its factorization.

422134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912200.

The product of its digits is 1152, while the sum is 22.

The square root of 422134231 is about 20545.9054558323. The cubic root of 422134231 is about 750.1535869163.

Adding to 422134231 its reverse (132431224), we get a palindrome (554565455).

The spelling of 422134231 in words is "four hundred twenty-two million, one hundred thirty-four thousand, two hundred thirty-one".