228572 has 6 divisors (see below), whose sum is σ = 400008. Its totient is φ = 114284.

The previous prime is 228559. The next prime is 228577. The reversal of 228572 is 275822.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 5⁷ + 8 + 7⁵ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228577) by changing a digit.

228572 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 as a sum of consecutive naturals, namely, 28568 + ... + 28575.

It is an arithmetic number, because the mean of its divisors is an integer number (66668).

2²²⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

228572 is a deficient number, since it is larger than the sum of its proper divisors (171436).

228572 is a wasteful number, since it uses less digits than its factorization.

228572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57147 (or 57145 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 228572 is about 478.0920413477. The cubic root of 228572 is about 61.1421926983.

The spelling of 228572 in words is "two hundred twenty-eight thousand, five hundred seventy-two".