2312222 has 16 divisors (see below), whose sum is σ = 3808512. Its totient is φ = 1044120.

The previous prime is 2312209. The next prime is 2312249. The reversal of 2312222 is 2222132.

It is a junction number, because it is equal to n+sod(n) for n = 2312197 and 2312206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (238032).

2^2312222 is an apocalyptic number.

2312222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2312222 is a deficient number, since it is larger than the sum of its proper divisors (1496290).

2312222 is a wasteful number, since it uses less digits than its factorization.

2312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its digits is 96, while the sum is 14.

The square root of 2312222 is about 1520.5992239903. The cubic root of 2312222 is about 132.2340125018.

Adding to 2312222 its reverse (2222132), we get a palindrome (4534354).

The spelling of 2312222 in words is "two million, three hundred twelve thousand, two hundred twenty-two".