228267252 has 18 divisors (see below), whose sum is σ = 577008978. Its totient is φ = 76089072.

The previous prime is 228267241. The next prime is 228267253. The reversal of 228267252 is 252762822.

228267252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 157101156 + 71166096 = 12534^2 + 8436^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6340757 = 228267252 / (2 + 2 + 8 + 2 + 6 + 7 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228267253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3170343 + ... + 3170414.

Almost surely, 2^228267252 is an apocalyptic number.

It is an amenable number.

228267252 is an abundant number, since it is smaller than the sum of its proper divisors (348741726).

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

228267252 is a wasteful number, since it uses less digits than its factorization.

228267252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340767 (or 6340762 counting only the distinct ones).

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

The square root of 228267252 is about 15108.5158768160. The cubic root of 228267252 is about 611.1500761295.

The spelling of 228267252 in words is "two hundred twenty-eight million, two hundred sixty-seven thousand, two hundred fifty-two".