2212323331 has 4 divisors (see below), whose sum is σ = 2212682832. Its totient is φ = 2211963832.

The previous prime is 2212323299. The next prime is 2212323353. The reversal of 2212323331 is 1333232122.

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 2212323331 - 2⁵ = 2212323299 is a prime.

It is a super-2 number, since 2×2212323331² = 9788749041773871122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212323371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170356 + ... + 182881.

It is an arithmetic number, because the mean of its divisors is an integer number (553170708).

Almost surely, 2^2212323331 is an apocalyptic number.

2212323331 is a deficient number, since it is larger than the sum of its proper divisors (359501).

2212323331 is an equidigital number, since it uses as much as digits as its factorization.

2212323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359500.

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

The square root of 2212323331 is about 47035.3412977944. The cubic root of 2212323331 is about 1303.0153537252.

Adding to 2212323331 its reverse (1333232122), we get a palindrome (3545555453).

It can be divided in two parts, 22123 and 23331, that added together give a palindrome (45454).

The spelling of 2212323331 in words is "two billion, two hundred twelve million, three hundred twenty-three thousand, three hundred thirty-one".