2684222 has 4 divisors (see below), whose sum is σ = 4026336. Its totient is φ = 1342110.

The previous prime is 2684219. The next prime is 2684233. The reversal of 2684222 is 2224862.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2684191 and 2684200.

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 as a sum of consecutive naturals, namely, 671054 + ... + 671057.

It is an arithmetic number, because the mean of its divisors is an integer number (1006584).

2^2684222 is an apocalyptic number.

2684222 is a deficient number, since it is larger than the sum of its proper divisors (1342114).

2684222 is a wasteful number, since it uses less digits than its factorization.

2684222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342113.

The product of its digits is 3072, while the sum is 26.

The square root of 2684222 is about 1638.3595453990. The cubic root of 2684222 is about 138.9758942377.

It can be divided in two parts, 26 and 84222, that added together give a palindrome (84248).

The spelling of 2684222 in words is "two million, six hundred eighty-four thousand, two hundred twenty-two".