2212423331 has 4 divisors (see below), whose sum is σ = 2214102000. Its totient is φ = 2210744664.

The previous prime is 2212423313. The next prime is 2212423391. The reversal of 2212423331 is 1333242122.

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 2212423331 - 2¹⁴ = 2212406947 is a prime.

It is a super-2 number, since 2×2212423331² = 9789633991106271122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212423297 and 2212423306.

It is not an unprimeable number, because it can be changed into a prime (2212423391) 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, 837356 + ... + 839993.

It is an arithmetic number, because the mean of its divisors is an integer number (553525500).

Almost surely, 2^2212423331 is an apocalyptic number.

2212423331 is a deficient number, since it is larger than the sum of its proper divisors (1678669).

2212423331 is a wasteful number, since it uses less digits than its factorization.

2212423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678668.

The product of its digits is 1728, while the sum is 23.

The square root of 2212423331 is about 47036.4043162315. The cubic root of 2212423331 is about 1303.0349861135.

Adding to 2212423331 its reverse (1333242122), we get a palindrome (3545665453).

The spelling of 2212423331 in words is "two billion, two hundred twelve million, four hundred twenty-three thousand, three hundred thirty-one".