2193216 has 28 divisors (see below), whose sum is σ = 5803392. Its totient is φ = 731008.

The previous prime is 2193209. The next prime is 2193223. The reversal of 2193216 is 6123912.

It is an interprime number because it is at equal distance from previous prime (2193209) and next prime (2193223).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (207264).

2^2193216 is an apocalyptic number.

It is an amenable number.

2193216 is an abundant number, since it is smaller than the sum of its proper divisors (3610176).

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

2193216 is a wasteful number, since it uses less digits than its factorization.

2193216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11428 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 2193216 is about 1480.9510457811. The cubic root of 2193216 is about 129.9253220012.

The spelling of 2193216 in words is "two million, one hundred ninety-three thousand, two hundred sixteen".