2212306 has 8 divisors (see below), whose sum is σ = 3325680. Its totient is φ = 1103748.

The previous prime is 2212297. The next prime is 2212321. The reversal of 2212306 is 6032122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁷ + 2¹³ + 1 + 2¹⁹ + 3⁴ + 0 + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2212306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (415710).

2^2212306 is an apocalyptic number.

2212306 is a deficient number, since it is larger than the sum of its proper divisors (1113374).

2212306 is a wasteful number, since it uses less digits than its factorization.

2212306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2212306 is about 1487.3822642482. The cubic root of 2212306 is about 130.3011951176.

Adding to 2212306 its reverse (6032122), we get a palindrome (8244428).

The spelling of 2212306 in words is "two million, two hundred twelve thousand, three hundred six".