200211228 has 72 divisors (see below), whose sum is σ = 603552768. Its totient is φ = 54714528.

The previous prime is 200211223. The next prime is 200211229. The reversal of 200211228 is 822112002.

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 200211228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11476 + ... + 23067.

Almost surely, 2^200211228 is an apocalyptic number.

200211228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

200211228 is an abundant number, since it is smaller than the sum of its proper divisors (403341540).

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

200211228 is a wasteful number, since it uses less digits than its factorization.

200211228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34583 (or 34578 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 200211228 is about 14149.6016905071. The cubic root of 200211228 is about 585.0093533460.

The spelling of 200211228 in words is "two hundred million, two hundred eleven thousand, two hundred twenty-eight".