201003228 has 24 divisors (see below), whose sum is σ = 521119760. Its totient is φ = 67001040.

The previous prime is 201003227. The next prime is 201003241. The reversal of 201003228 is 822300102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 201003228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201003227) 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, 930463 + ... + 930678.

Almost surely, 2^201003228 is an apocalyptic number.

It is an amenable number.

201003228 is an abundant number, since it is smaller than the sum of its proper divisors (320116532).

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

201003228 is a wasteful number, since it uses less digits than its factorization.

201003228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861154 (or 1861146 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 201003228 is about 14177.5607210832. The cubic root of 201003228 is about 585.7797360474.

The spelling of 201003228 in words is "two hundred one million, three thousand, two hundred twenty-eight".