228252 has 24 divisors (see below), whose sum is σ = 556416. Its totient is φ = 72688.
The previous prime is 228251. The next prime is 228257. The reversal of 228252 is 252822.
228252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 689.
It is an arithmetic number, because the mean of its divisors is an integer number (23184).
2228252 is an apocalyptic number.
It is an amenable number.
228252 is an abundant number, since it is smaller than the sum of its proper divisors (328164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228252 is a wasteful number, since it uses less digits than its factorization.
228252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 857 (or 855 counting only the distinct ones).
The product of its digits is 640, while the sum is 21.
The square root of 228252 is about 477.7572605414. The cubic root of 228252 is about 61.1136464207.
The spelling of 228252 in words is "two hundred twenty-eight thousand, two hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •