2312212 has 36 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 966000.

The previous prime is 2312209. The next prime is 2312249. The reversal of 2312212 is 2122132.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2312192 and 2312201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9087 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2^2312212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152).

2312212 is an abundant number, since it is smaller than the sum of its proper divisors (2514092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312212 is a wasteful number, since it uses less digits than its factorization.

2312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 307 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 2312212 is about 1520.5959358094. The cubic root of 2312212 is about 132.2338218710.

Adding to 2312212 its reverse (2122132), we get a palindrome (4434344).

The spelling of 2312212 in words is "two million, three hundred twelve thousand, two hundred twelve".