228325340 has 24 divisors (see below), whose sum is σ = 479984400. Its totient is φ = 91234688.

The previous prime is 228325333. The next prime is 228325343. The reversal of 228325340 is 43523822.

228325340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228325340² = 104264921772231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228325343) 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, 15539 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (19999350).

Almost surely, 2^228325340 is an apocalyptic number.

228325340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228325340 is an abundant number, since it is smaller than the sum of its proper divisors (251659060).

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

228325340 is a wasteful number, since it uses less digits than its factorization.

228325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 228325340 is about 15110.4381140985. The cubic root of 228325340 is about 611.2019122623.

The spelling of 228325340 in words is "two hundred twenty-eight million, three hundred twenty-five thousand, three hundred forty".