189073228 has 12 divisors (see below), whose sum is σ = 335067040. Its totient is φ = 93339792.

The previous prime is 189073223. The next prime is 189073231. The reversal of 189073228 is 822370981.

It is a super-3 number, since 3×189073228³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (189073223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298851 + ... + 299482.

Almost surely, 2^189073228 is an apocalyptic number.

It is an amenable number.

189073228 is a deficient number, since it is larger than the sum of its proper divisors (145993812).

189073228 is a wasteful number, since it uses less digits than its factorization.

189073228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598416 (or 598414 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 189073228 is about 13750.3901035571. The cubic root of 189073228 is about 573.9534617297.

The spelling of 189073228 in words is "one hundred eighty-nine million, seventy-three thousand, two hundred twenty-eight".