2312213222 has 16 divisors (see below), whose sum is σ = 3864125952. Its totient is φ = 1028643720.

The previous prime is 2312213221. The next prime is 2312213237. The reversal of 2312213222 is 2223122132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2312213194 and 2312213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312213221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117058 + ... + 1119125.

It is an arithmetic number, because the mean of its divisors is an integer number (241507872).

Almost surely, 2^2312213222 is an apocalyptic number.

2312213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2312213222 is a deficient number, since it is larger than the sum of its proper divisors (1551912730).

2312213222 is a wasteful number, since it uses less digits than its factorization.

2312213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236243.

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

The square root of 2312213222 is about 48085.4782860689. The cubic root of 2312213222 is about 1322.3384516609.

Adding to 2312213222 its reverse (2223122132), we get a palindrome (4535335354).

The spelling of 2312213222 in words is "two billion, three hundred twelve million, two hundred thirteen thousand, two hundred twenty-two".