2201521233 has 16 divisors (see below), whose sum is σ = 3109444416. Its totient is φ = 1380718080.

The previous prime is 2201521229. The next prime is 2201521247. The reversal of 2201521233 is 3321251022.

It is not a de Polignac number, because 2201521233 - 2² = 2201521229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201521433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120010 + ... + 137132.

It is an arithmetic number, because the mean of its divisors is an integer number (194340276).

Almost surely, 2^2201521233 is an apocalyptic number.

It is an amenable number.

2201521233 is a deficient number, since it is larger than the sum of its proper divisors (907923183).

2201521233 is a wasteful number, since it uses less digits than its factorization.

2201521233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19664.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2201521233 is about 46920.3711941839. The cubic root of 2201521233 is about 1300.8911509088.

Adding to 2201521233 its reverse (3321251022), we get a palindrome (5522772255).

The spelling of 2201521233 in words is "two billion, two hundred one million, five hundred twenty-one thousand, two hundred thirty-three".