228161174 has 4 divisors (see below), whose sum is σ = 342241764. Its totient is φ = 114080586.

The previous prime is 228161161. The next prime is 228161189. The reversal of 228161174 is 471161822.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228161174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57040292 + ... + 57040295.

It is an arithmetic number, because the mean of its divisors is an integer number (85560441).

Almost surely, 2^228161174 is an apocalyptic number.

228161174 is a deficient number, since it is larger than the sum of its proper divisors (114080590).

228161174 is a wasteful number, since it uses less digits than its factorization.

228161174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114080589.

The product of its digits is 5376, while the sum is 32.

The square root of 228161174 is about 15105.0049321409. The cubic root of 228161174 is about 611.0553923439.

The spelling of 228161174 in words is "two hundred twenty-eight million, one hundred sixty-one thousand, one hundred seventy-four".