228444594 has 32 divisors (see below), whose sum is σ = 529319040. Its totient is φ = 64374912.

The previous prime is 228444539. The next prime is 228444613. The reversal of 228444594 is 495444822.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34189 + ... + 40320.

It is an arithmetic number, because the mean of its divisors is an integer number (16541220).

Almost surely, 2^228444594 is an apocalyptic number.

228444594 is an abundant number, since it is smaller than the sum of its proper divisors (300874446).

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

228444594 is a wasteful number, since it uses less digits than its factorization.

228444594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74594.

The product of its digits is 368640, while the sum is 42.

The square root of 228444594 is about 15114.3836791316. The cubic root of 228444594 is about 611.3083037046.

The spelling of 228444594 in words is "two hundred twenty-eight million, four hundred forty-four thousand, five hundred ninety-four".