2118322 has 4 divisors (see below), whose sum is σ = 3177486. Its totient is φ = 1059160.

The previous prime is 2118313. The next prime is 2118331. The reversal of 2118322 is 2238112.

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

It is an interprime number because it is at equal distance from previous prime (2118313) and next prime (2118331).

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 271441 = 1359^2 + 521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2118322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529579 + ... + 529582.

2^2118322 is an apocalyptic number.

2118322 is a deficient number, since it is larger than the sum of its proper divisors (1059164).

2118322 is a wasteful number, since it uses less digits than its factorization.

2118322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059163.

The product of its digits is 192, while the sum is 19.

The square root of 2118322 is about 1455.4456362228. The cubic root of 2118322 is about 128.4292635558.

The spelling of 2118322 in words is "two million, one hundred eighteen thousand, three hundred twenty-two".