2201535221 has 8 divisors (see below), whose sum is σ = 2272994304. Its totient is φ = 2130922080.

The previous prime is 2201535197. The next prime is 2201535223. The reversal of 2201535221 is 1225351022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201535221 - 2⁶ = 2201535157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201535223) 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, 206195 + ... + 216608.

It is an arithmetic number, because the mean of its divisors is an integer number (284124288).

Almost surely, 2^2201535221 is an apocalyptic number.

It is an amenable number.

2201535221 is a deficient number, since it is larger than the sum of its proper divisors (71459083).

2201535221 is a wasteful number, since it uses less digits than its factorization.

2201535221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422971.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2201535221 is about 46920.5202550014. The cubic root of 2201535221 is about 1300.8939060986.

Adding to 2201535221 its reverse (1225351022), we get a palindrome (3426886243).

The spelling of 2201535221 in words is "two billion, two hundred one million, five hundred thirty-five thousand, two hundred twenty-one".