2191214 has 8 divisors (see below), whose sum is σ = 3375768. Its totient is φ = 1065960.

The previous prime is 2191199. The next prime is 2191229. The reversal of 2191214 is 4121912.

It is an interprime number because it is at equal distance from previous prime (2191199) and next prime (2191229).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14732 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (421971).

2^2191214 is an apocalyptic number.

2191214 is a deficient number, since it is larger than the sum of its proper divisors (1184554).

2191214 is a wasteful number, since it uses less digits than its factorization.

2191214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650.

The product of its digits is 144, while the sum is 20.

The square root of 2191214 is about 1480.2749744558. The cubic root of 2191214 is about 129.8857773814.

The spelling of 2191214 in words is "two million, one hundred ninety-one thousand, two hundred fourteen".