228974 has 4 divisors (see below), whose sum is σ = 343464. Its totient is φ = 114486.

The previous prime is 228961. The next prime is 228983. The reversal of 228974 is 479822.

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 228974.

It is a congruent number.

It is an unprimeable number.

228974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57242 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (85866).

2²²⁸⁹⁷⁴ is an apocalyptic number.

228974 is a deficient number, since it is larger than the sum of its proper divisors (114490).

228974 is a wasteful number, since it uses less digits than its factorization.

228974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114489.

The product of its digits is 8064, while the sum is 32.

The square root of 228974 is about 478.5122777944. The cubic root of 228974 is about 61.1780162259.

The spelling of 228974 in words is "two hundred twenty-eight thousand, nine hundred seventy-four".