2212999 has 6 divisors (see below), whose sum is σ = 2249720. Its totient is φ = 2176860.

The previous prime is 2212979. The next prime is 2213033. The reversal of 2212999 is 9992122.

It is not a de Polignac number, because 2212999 - 2⁵ = 2212967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4822 + ... + 5260.

2^2212999 is an apocalyptic number.

2212999 is a deficient number, since it is larger than the sum of its proper divisors (36721).

2212999 is an frugal number, since it uses more digits than its factorization.

2212999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 510 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 2212999 is about 1487.6152056227. The cubic root of 2212999 is about 130.3147992183.

The spelling of 2212999 in words is "two million, two hundred twelve thousand, nine hundred ninety-nine".