228143574 has 32 divisors (see below), whose sum is σ = 510871680. Its totient is φ = 75465000.

The previous prime is 228143569. The next prime is 228143603. The reversal of 228143574 is 475341822.

It is a happy number.

228143574 is a `hidden beast` number, since 2 + 2 + 81 + 4 + 3 + 574 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9052 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (15964740).

Almost surely, 2^228143574 is an apocalyptic number.

228143574 is an abundant number, since it is smaller than the sum of its proper divisors (282728106).

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

228143574 is a wasteful number, since it uses less digits than its factorization.

228143574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32393 (or 32387 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 228143574 is about 15104.4223325488. The cubic root of 228143574 is about 611.0396799840.

The spelling of 228143574 in words is "two hundred twenty-eight million, one hundred forty-three thousand, five hundred seventy-four".