74228 has 24 divisors (see below), whose sum is σ = 162624. Its totient is φ = 28800.

The previous prime is 74219. The next prime is 74231. The reversal of 74228 is 82247.

It is a congruent number.

It is an unprimeable number.

74228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (6776).

2⁷⁴²²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81312).

74228 is an abundant number, since it is smaller than the sum of its proper divisors (88396).

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

74228 is a wasteful number, since it uses less digits than its factorization.

74228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 74228 is about 272.4481602067. The cubic root of 74228 is about 42.0264383804.

The spelling of 74228 in words is "seventy-four thousand, two hundred twenty-eight".