228259446 has 16 divisors (see below), whose sum is σ = 465133104. Its totient is φ = 74650784.

The previous prime is 228259411. The next prime is 228259501. The reversal of 228259446 is 644952822.

228259446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228259398 and 228259407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358581 + ... + 359216.

It is an arithmetic number, because the mean of its divisors is an integer number (29070819).

Almost surely, 2^228259446 is an apocalyptic number.

228259446 is an abundant number, since it is smaller than the sum of its proper divisors (236873658).

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

228259446 is a wasteful number, since it uses less digits than its factorization.

228259446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717855.

The product of its digits is 276480, while the sum is 42.

The square root of 228259446 is about 15108.2575434760. The cubic root of 228259446 is about 611.1431095997.

The spelling of 228259446 in words is "two hundred twenty-eight million, two hundred fifty-nine thousand, four hundred forty-six".