2222231213 has 4 divisors (see below), whose sum is σ = 2236948128. Its totient is φ = 2207514300.

The previous prime is 2222231183. The next prime is 2222231233. The reversal of 2222231213 is 3121322222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2222231213 - 2⁶ = 2222231149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222231233) 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, 7358231 + ... + 7358532.

It is an arithmetic number, because the mean of its divisors is an integer number (559237032).

Almost surely, 2^2222231213 is an apocalyptic number.

It is an amenable number.

2222231213 is a deficient number, since it is larger than the sum of its proper divisors (14716915).

2222231213 is a wasteful number, since it uses less digits than its factorization.

2222231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14716914.

The product of its digits is 576, while the sum is 20.

The square root of 2222231213 is about 47140.5474406057. The cubic root of 2222231213 is about 1304.9576402725.

Adding to 2222231213 its reverse (3121322222), we get a palindrome (5343553435).

It can be divided in two parts, 22222 and 31213, that added together give a palindrome (53435).

The spelling of 2222231213 in words is "two billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirteen".