234021422 has 16 divisors (see below), whose sum is σ = 373578480. Its totient is φ = 109565568.

The previous prime is 234021421. The next prime is 234021427. The reversal of 234021422 is 224120432.

It is a junction number, because it is equal to n+sod(n) for n = 234021394 and 234021403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234021421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10772 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (23348655).

Almost surely, 2^234021422 is an apocalyptic number.

234021422 is a deficient number, since it is larger than the sum of its proper divisors (139557058).

234021422 is a wasteful number, since it uses less digits than its factorization.

234021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35155.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234021422 is about 15297.7587247283. The cubic root of 234021422 is about 616.2428186895.

Adding to 234021422 its reverse (224120432), we get a palindrome (458141854).

The spelling of 234021422 in words is "two hundred thirty-four million, twenty-one thousand, four hundred twenty-two".