2219886 has 40 divisors (see below), whose sum is σ = 5070384. Its totient is φ = 725760.

The previous prime is 2219881. The next prime is 2219887. The reversal of 2219886 is 6889122.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2219886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11406 + ... + 11598.

2^2219886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535192).

2219886 is an abundant number, since it is smaller than the sum of its proper divisors (2850498).

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

2219886 is a wasteful number, since it uses less digits than its factorization.

2219886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 269 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2219886 is about 1489.9281861889. The cubic root of 2219886 is about 130.4498420004.

The spelling of 2219886 in words is "two million, two hundred nineteen thousand, eight hundred eighty-six".