228283326 has 64 divisors (see below), whose sum is σ = 542384640. Its totient is φ = 70994880.

The previous prime is 228283313. The next prime is 228283373. The reversal of 228283326 is 623382822.

It is a super-2 number, since 2×228283326² = 104226553859244552, which contains 22 as substring.

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, 48681 + ... + 53163.

It is an arithmetic number, because the mean of its divisors is an integer number (8474760).

Almost surely, 2^228283326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228283326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271192320).

228283326 is an abundant number, since it is smaller than the sum of its proper divisors (314101314).

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

228283326 is a wasteful number, since it uses less digits than its factorization.

228283326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4552 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 228283326 is about 15109.0478191049. The cubic root of 228283326 is about 611.1644210048.

The spelling of 228283326 in words is "two hundred twenty-eight million, two hundred eighty-three thousand, three hundred twenty-six".