174142228 has 24 divisors (see below), whose sum is σ = 332353280. Its totient is φ = 79354080.

The previous prime is 174142219. The next prime is 174142247. The reversal of 174142228 is 822241471.

It is a self number, because there is not a number n which added to its sum of digits gives 174142228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17088 + ... + 25303.

Almost surely, 2^174142228 is an apocalyptic number.

It is an amenable number.

174142228 is a deficient number, since it is larger than the sum of its proper divisors (158211052).

174142228 is a wasteful number, since it uses less digits than its factorization.

174142228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42487 (or 42485 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 174142228 is about 13196.2959954678. The cubic root of 174142228 is about 558.4290880447.

Adding to 174142228 its reverse (822241471), we get a palindrome (996383699).

The spelling of 174142228 in words is "one hundred seventy-four million, one hundred forty-two thousand, two hundred twenty-eight".