234220434 has 32 divisors (see below), whose sum is σ = 549833856. Its totient is φ = 65111040.

The previous prime is 234220433. The next prime is 234220447. The reversal of 234220434 is 434022432.

It is not an unprimeable number, because it can be changed into a prime (234220433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73807 + ... + 76914.

It is an arithmetic number, because the mean of its divisors is an integer number (17182308).

Almost surely, 2^234220434 is an apocalyptic number.

234220434 is an abundant number, since it is smaller than the sum of its proper divisors (315613422).

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

234220434 is a wasteful number, since it uses less digits than its factorization.

234220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150770.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 234220434 is about 15304.2619554162. The cubic root of 234220434 is about 616.4174536537.

Adding to 234220434 its reverse (434022432), we get a palindrome (668242866).

The spelling of 234220434 in words is "two hundred thirty-four million, two hundred twenty thousand, four hundred thirty-four".