422343234 has 56 divisors (see below), whose sum is σ = 975633660. Its totient is φ = 136958688.

The previous prime is 422343217. The next prime is 422343239. The reversal of 422343234 is 432343224.

422343234 is a `hidden beast` number, since 4 + 223 + 432 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 422179209 + 164025 = 20547^2 + 405^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 422343198 and 422343207.

It is not an unprimeable number, because it can be changed into a prime (422343239) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 50032 + ... + 57860.

Almost surely, 2^422343234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422343234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487816830).

422343234 is an abundant number, since it is smaller than the sum of its proper divisors (553290426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422343234 is an equidigital number, since it uses as much as digits as its factorization.

422343234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886 (or 7871 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 422343234 is about 20550.9910709922. The cubic root of 422343234 is about 750.2773694090.

Adding to 422343234 its reverse (432343224), we get a palindrome (854686458).

The spelling of 422343234 in words is "four hundred twenty-two million, three hundred forty-three thousand, two hundred thirty-four".