228826740 has 96 divisors (see below), whose sum is σ = 661457664. Its totient is φ = 59069440.

The previous prime is 228826727. The next prime is 228826751. The reversal of 228826740 is 47628822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410542 + ... + 411098.

It is an arithmetic number, because the mean of its divisors is an integer number (6890184).

Almost surely, 2^228826740 is an apocalyptic number.

228826740 is a gapful number since it is divisible by the number (20) 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 228826740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330728832).

228826740 is an abundant number, since it is smaller than the sum of its proper divisors (432630924).

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

228826740 is a wasteful number, since it uses less digits than its factorization.

228826740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 228826740 is about 15127.0201956631. The cubic root of 228826740 is about 611.6489827844.

The spelling of 228826740 in words is "two hundred twenty-eight million, eight hundred twenty-six thousand, seven hundred forty".