228944268 has 72 divisors (see below), whose sum is σ = 674928800. Its totient is φ = 65409120.

The previous prime is 228944263. The next prime is 228944327. The reversal of 228944268 is 862449822.

228944268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228944263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3078 + ... + 21618.

Almost surely, 2^228944268 is an apocalyptic number.

228944268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228944268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337464400).

228944268 is an abundant number, since it is smaller than the sum of its proper divisors (445984532).

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

228944268 is a wasteful number, since it uses less digits than its factorization.

228944268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572 (or 18553 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 228944268 is about 15130.9044012577. The cubic root of 228944268 is about 611.7536814719.

The spelling of 228944268 in words is "two hundred twenty-eight million, nine hundred forty-four thousand, two hundred sixty-eight".