2212251 has 8 divisors (see below), whose sum is σ = 2959440. Its totient is φ = 1469952.

The previous prime is 2212247. The next prime is 2212271. The reversal of 2212251 is 1522122.

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

It is not a de Polignac number, because 2212251 - 2² = 2212247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212251.

It is not an unprimeable number, because it can be changed into a prime (2212241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (369930).

2^2212251 is an apocalyptic number.

2212251 is a deficient number, since it is larger than the sum of its proper divisors (747189).

2212251 is a wasteful number, since it uses less digits than its factorization.

2212251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its digits is 80, while the sum is 15.

The square root of 2212251 is about 1487.3637752749. The cubic root of 2212251 is about 130.3001153054.

Adding to 2212251 its reverse (1522122), we get a palindrome (3734373).

The spelling of 2212251 in words is "two million, two hundred twelve thousand, two hundred fifty-one".