422144234 has 4 divisors (see below), whose sum is σ = 633216354. Its totient is φ = 211072116.

The previous prime is 422144227. The next prime is 422144237. The reversal of 422144234 is 432441224.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 376243609 + 45900625 = 19397^2 + 6775^2 .

It is not an unprimeable number, because it can be changed into a prime (422144237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105536057 + ... + 105536060.

Almost surely, 2^422144234 is an apocalyptic number.

422144234 is a deficient number, since it is larger than the sum of its proper divisors (211072120).

422144234 is a wasteful number, since it uses less digits than its factorization.

422144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211072119.

The product of its digits is 6144, while the sum is 26.

The square root of 422144234 is about 20546.1488848884. The cubic root of 422144234 is about 750.1595121462.

Adding to 422144234 its reverse (432441224), we get a palindrome (854585458).

The spelling of 422144234 in words is "four hundred twenty-two million, one hundred forty-four thousand, two hundred thirty-four".