2218192 has 10 divisors (see below), whose sum is σ = 4297778. Its totient is φ = 1109088.

The previous prime is 2218171. The next prime is 2218199. The reversal of 2218192 is 2918122.

2218192 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 379456 = 1356^2 + 616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69303 + ... + 69334.

2^2218192 is an apocalyptic number.

It is an amenable number.

2218192 is a deficient number, since it is larger than the sum of its proper divisors (2079586).

2218192 is a wasteful number, since it uses less digits than its factorization.

2218192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138645 (or 138639 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 2218192 is about 1489.3595939195. The cubic root of 2218192 is about 130.4166513670.

The spelling of 2218192 in words is "two million, two hundred eighteen thousand, one hundred ninety-two".