2156214 has 16 divisors (see below), whose sum is σ = 4386240. Its totient is φ = 706440.

The previous prime is 2156207. The next prime is 2156221. The reversal of 2156214 is 4126512.

2156214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2156207) and next prime (2156221).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2692 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (274140).

2^2156214 is an apocalyptic number.

2156214 is an abundant number, since it is smaller than the sum of its proper divisors (2230026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156214 is a wasteful number, since it uses less digits than its factorization.

2156214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155.

The product of its digits is 480, while the sum is 21.

The square root of 2156214 is about 1468.4052574136. The cubic root of 2156214 is about 129.1905123278.

The spelling of 2156214 in words is "two million, one hundred fifty-six thousand, two hundred fourteen".