228394384 has 20 divisors (see below), whose sum is σ = 450865116. Its totient is φ = 112042112.

The previous prime is 228394367. The next prime is 228394399. The reversal of 228394384 is 483493822.

It can be written as a sum of positive squares in 2 ways, for example, as 77792400 + 150601984 = 8820^2 + 12272^2 .

It is a super-3 number, since 3×228394384³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228394384.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133819 + ... + 135514.

Almost surely, 2^228394384 is an apocalyptic number.

It is an amenable number.

228394384 is a deficient number, since it is larger than the sum of its proper divisors (222470732).

228394384 is a wasteful number, since it uses less digits than its factorization.

228394384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269394 (or 269388 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 228394384 is about 15112.7225872773. The cubic root of 228394384 is about 611.2635137938.

The spelling of 228394384 in words is "two hundred twenty-eight million, three hundred ninety-four thousand, three hundred eighty-four".