2201223231 has 48 divisors (see below), whose sum is σ = 3342976000. Its totient is φ = 1394081280.

The previous prime is 2201223229. The next prime is 2201223263. The reversal of 2201223231 is 1323221022.

2201223231 is a `hidden beast` number, since 220 + 122 + 323 + 1 = 666.

It is not a de Polignac number, because 2201223231 - 2¹ = 2201223229 is a prime.

It is a super-2 number, since 2×2201223231² = 9690767425388158722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201223331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4411020 + ... + 4411518.

Almost surely, 2^2201223231 is an apocalyptic number.

2201223231 is a deficient number, since it is larger than the sum of its proper divisors (1141752769).

2201223231 is a wasteful number, since it uses less digits than its factorization.

2201223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2201223231 is about 46917.1954724491. The cubic root of 2201223231 is about 1300.8324512466.

Adding to 2201223231 its reverse (1323221022), we get a palindrome (3524444253).

The spelling of 2201223231 in words is "two billion, two hundred one million, two hundred twenty-three thousand, two hundred thirty-one".