2201212231 has 2 divisors, whose sum is σ = 2201212232. Its totient is φ = 2201212230.

The previous prime is 2201212151. The next prime is 2201212243. The reversal of 2201212231 is 1322121022.

It is a happy number.

2201212231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201212231 - 2¹¹ = 2201210183 is a prime.

It is a super-2 number, since 2×2201212231² = 9690670571807994722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201212331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100606115 + 1100606116.

It is an arithmetic number, because the mean of its divisors is an integer number (1100606116).

Almost surely, 2^2201212231 is an apocalyptic number.

2201212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201212231 is an equidigital number, since it uses as much as digits as its factorization.

2201212231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2201212231 is about 46917.0782444943. The cubic root of 2201212231 is about 1300.8302843937.

Adding to 2201212231 its reverse (1322121022), we get a palindrome (3523333253).

It can be divided in two parts, 22012 and 12231, that added together give a palindrome (34243).

The spelling of 2201212231 in words is "two billion, two hundred one million, two hundred twelve thousand, two hundred thirty-one".