2213233231 has 4 divisors (see below), whose sum is σ = 2414436264. Its totient is φ = 2012030200.

The previous prime is 2213233207. The next prime is 2213233249. The reversal of 2213233231 is 1323323122.

2213233231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213233231 - 2⁷ = 2213233103 is a prime.

It is a super-2 number, since 2×2213233231² = 9796802669605398722, 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 (2213233831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100601500 + ... + 100601521.

It is an arithmetic number, because the mean of its divisors is an integer number (603609066).

Almost surely, 2^2213233231 is an apocalyptic number.

2213233231 is a deficient number, since it is larger than the sum of its proper divisors (201203033).

2213233231 is a wasteful number, since it uses less digits than its factorization.

2213233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201203032.

The product of its digits is 1296, while the sum is 22.

The square root of 2213233231 is about 47045.0128175134. The cubic root of 2213233231 is about 1303.1939670331.

Adding to 2213233231 its reverse (1323323122), we get a palindrome (3536556353).

The spelling of 2213233231 in words is "two billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-one".