1000201228 has 24 divisors (see below), whose sum is σ = 1886093888. Its totient is φ = 461362176.

The previous prime is 1000201193. The next prime is 1000201229. The reversal of 1000201228 is 8221020001.

It is not an unprimeable number, because it can be changed into a prime (1000201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105325 + ... + 114427.

Almost surely, 2^1000201228 is an apocalyptic number.

It is an amenable number.

1000201228 is a deficient number, since it is larger than the sum of its proper divisors (885892660).

1000201228 is a wasteful number, since it uses less digits than its factorization.

1000201228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233 (or 11231 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1000201228 is about 31625.9581356834. The cubic root of 1000201228 is about 1000.0670715013.

Adding to 1000201228 its reverse (8221020001), we get a palindrome (9221221229).

The spelling of 1000201228 in words is "one billion, two hundred one thousand, two hundred twenty-eight".