2219694 has 16 divisors (see below), whose sum is σ = 4673280. Its totient is φ = 700920.

The previous prime is 2219683. The next prime is 2219731. The reversal of 2219694 is 4969122.

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 7 ways as a sum of consecutive naturals, for example, 9622 + ... + 9849.

It is an arithmetic number, because the mean of its divisors is an integer number (292080).

2^2219694 is an apocalyptic number.

2219694 is an abundant number, since it is smaller than the sum of its proper divisors (2453586).

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

2219694 is a wasteful number, since it uses less digits than its factorization.

2219694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495.

The product of its digits is 7776, while the sum is 33.

The square root of 2219694 is about 1489.8637521599. The cubic root of 2219694 is about 130.4460809826.

The spelling of 2219694 in words is "two million, two hundred nineteen thousand, six hundred ninety-four".