2214866 has 4 divisors (see below), whose sum is σ = 3322302. Its totient is φ = 1107432.

The previous prime is 2214847. The next prime is 2214869. The reversal of 2214866 is 6684122.

2214866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 1050625 = 1079^2 + 1025^2 .

It is not an unprimeable number, because it can be changed into a prime (2214869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553715 + ... + 553718.

2^2214866 is an apocalyptic number.

2214866 is a deficient number, since it is larger than the sum of its proper divisors (1107436).

2214866 is a wasteful number, since it uses less digits than its factorization.

2214866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107435.

The product of its digits is 4608, while the sum is 29.

The square root of 2214866 is about 1488.2425877524. The cubic root of 2214866 is about 130.3514356775.

Adding to 2214866 its reverse (6684122), we get a palindrome (8898988).

The spelling of 2214866 in words is "two million, two hundred fourteen thousand, eight hundred sixty-six".