2167213 has 4 divisors (see below), whose sum is σ = 2193408. Its totient is φ = 2141020.

The previous prime is 2167189. The next prime is 2167237. The reversal of 2167213 is 3127612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2167189) and next prime (2167237).

It is a cyclic number.

It is not a de Polignac number, because 2167213 - 2²¹ = 70061 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2167213 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167813) 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, 12973 + ... + 13138.

It is an arithmetic number, because the mean of its divisors is an integer number (548352).

2^2167213 is an apocalyptic number.

It is an amenable number.

2167213 is a deficient number, since it is larger than the sum of its proper divisors (26195).

2167213 is an equidigital number, since it uses as much as digits as its factorization.

2167213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194.

The product of its digits is 504, while the sum is 22.

The square root of 2167213 is about 1472.1457128967. The cubic root of 2167213 is about 129.4098098433.

The spelling of 2167213 in words is "two million, one hundred sixty-seven thousand, two hundred thirteen".