2312223213 has 16 divisors (see below), whose sum is σ = 3148770240. Its totient is φ = 1508920704.

The previous prime is 2312223191. The next prime is 2312223223. The reversal of 2312223213 is 3123222132.

It is a happy number.

It is not a de Polignac number, because 2312223213 - 2⁵ = 2312223181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2312223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312223223) 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, 15456 + ... + 69737.

It is an arithmetic number, because the mean of its divisors is an integer number (196798140).

Almost surely, 2^2312223213 is an apocalyptic number.

It is an amenable number.

2312223213 is a deficient number, since it is larger than the sum of its proper divisors (836547027).

2312223213 is a wasteful number, since it uses less digits than its factorization.

2312223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85388.

The product of its digits is 864, while the sum is 21.

The square root of 2312223213 is about 48085.5821738700. The cubic root of 2312223213 is about 1322.3403562524.

Adding to 2312223213 its reverse (3123222132), we get a palindrome (5435445345).

The spelling of 2312223213 in words is "two billion, three hundred twelve million, two hundred twenty-three thousand, two hundred thirteen".