228468252 has 12 divisors (see below), whose sum is σ = 533092616. Its totient is φ = 76156080.

The previous prime is 228468239. The next prime is 228468257. The reversal of 228468252 is 252864822.

228468252 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 228468252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228468257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9519499 + ... + 9519522.

Almost surely, 2^228468252 is an apocalyptic number.

It is an amenable number.

228468252 is an abundant number, since it is smaller than the sum of its proper divisors (304624364).

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

228468252 is a wasteful number, since it uses less digits than its factorization.

228468252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039028 (or 19039026 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 228468252 is about 15115.1662908484. The cubic root of 228468252 is about 611.3294055866.

The spelling of 228468252 in words is "two hundred twenty-eight million, four hundred sixty-eight thousand, two hundred fifty-two".