201333228 has 24 divisors (see below), whose sum is σ = 470156400. Its totient is φ = 67056960.

The previous prime is 201333221. The next prime is 201333229. The reversal of 201333228 is 822333102.

It is a junction number, because it is equal to n+sod(n) for n = 201333198 and 201333207.

It is not an unprimeable number, because it can be changed into a prime (201333221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10498 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (19589850).

Almost surely, 2^201333228 is an apocalyptic number.

It is an amenable number.

201333228 is an abundant number, since it is smaller than the sum of its proper divisors (268823172).

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

201333228 is a wasteful number, since it uses less digits than its factorization.

201333228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537 (or 13535 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 201333228 is about 14189.1940574509. The cubic root of 201333228 is about 586.1001316000.

The spelling of 201333228 in words is "two hundred one million, three hundred thirty-three thousand, two hundred twenty-eight".