2212851 has 4 divisors (see below), whose sum is σ = 2950472. Its totient is φ = 1475232.

The previous prime is 2212831. The next prime is 2212871. The reversal of 2212851 is 1582122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2212831) and next prime (2212871).

It is not a de Polignac number, because 2212851 - 2⁷ = 2212723 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368806 + ... + 368811.

It is an arithmetic number, because the mean of its divisors is an integer number (737618).

2^2212851 is an apocalyptic number.

2212851 is a deficient number, since it is larger than the sum of its proper divisors (737621).

2212851 is an equidigital number, since it uses as much as digits as its factorization.

2212851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737620.

The product of its digits is 320, while the sum is 21.

The square root of 2212851 is about 1487.5654607445. The cubic root of 2212851 is about 130.3118941078.

Adding to 2212851 its reverse (1582122), we get a palindrome (3794973).

The spelling of 2212851 in words is "two million, two hundred twelve thousand, eight hundred fifty-one".