2212807 has 12 divisors (see below), whose sum is σ = 2388960. Its totient is φ = 2048288.

The previous prime is 2212783. The next prime is 2212817. The reversal of 2212807 is 7082122.

2212807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212807 - 2¹⁵ = 2180039 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 (2212817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24819 + ... + 24907.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^2212807 is an apocalyptic number.

2212807 is a deficient number, since it is larger than the sum of its proper divisors (176153).

2212807 is an equidigital number, since it uses as much as digits as its factorization.

2212807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2212807 is about 1487.5506714059. The cubic root of 2212807 is about 130.3110304013.

Adding to 2212807 its reverse (7082122), we get a palindrome (9294929).

The spelling of 2212807 in words is "two million, two hundred twelve thousand, eight hundred seven".