201222533 has 2 divisors, whose sum is σ = 201222534. Its totient is φ = 201222532.

The previous prime is 201222517. The next prime is 201222577. The reversal of 201222533 is 335222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196056004 + 5166529 = 14002^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222533 - 2⁴ = 201222517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201222583) 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 as a sum of consecutive naturals, namely, 100611266 + 100611267.

It is an arithmetic number, because the mean of its divisors is an integer number (100611267).

Almost surely, 2^201222533 is an apocalyptic number.

It is an amenable number.

201222533 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222533 is an equidigital number, since it uses as much as digits as its factorization.

201222533 is an odious number, because the sum of its binary digits is odd.

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

The square root of 201222533 is about 14185.2928415313. The cubic root of 201222533 is about 585.9926973584.

Adding to 201222533 its reverse (335222102), we get a palindrome (536444635).

The spelling of 201222533 in words is "two hundred one million, two hundred twenty-two thousand, five hundred thirty-three".