201233225 has 12 divisors (see below), whose sum is σ = 251740956. Its totient is φ = 159559680.

The previous prime is 201233213. The next prime is 201233239. The reversal of 201233225 is 522332102.

It can be written as a sum of positive squares in 6 ways, for example, as 23464336 + 177768889 = 4844^2 + 13333^2 .

It is not a de Polignac number, because 201233225 - 2¹⁰ = 201232201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201233197 and 201233206.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32792 + ... + 38441.

It is an arithmetic number, because the mean of its divisors is an integer number (20978413).

Almost surely, 2^201233225 is an apocalyptic number.

201233225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201233225 is a deficient number, since it is larger than the sum of its proper divisors (50507731).

201233225 is a wasteful number, since it uses less digits than its factorization.

201233225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71356 (or 71351 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 201233225 is about 14185.6697057277. The cubic root of 201233225 is about 586.0030761214.

Adding to 201233225 its reverse (522332102), we get a palindrome (723565327).

The spelling of 201233225 in words is "two hundred one million, two hundred thirty-three thousand, two hundred twenty-five".