2214788 has 24 divisors (see below), whose sum is σ = 4088280. Its totient is φ = 1048320.

The previous prime is 2214761. The next prime is 2214791. The reversal of 2214788 is 8874122.

It can be written as a sum of positive squares in 4 ways, for example, as 135424 + 2079364 = 368^2 + 1442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6920 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (170345).

2^2214788 is an apocalyptic number.

It is an amenable number.

2214788 is a deficient number, since it is larger than the sum of its proper divisors (1873492).

2214788 is a wasteful number, since it uses less digits than its factorization.

2214788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2214788 is about 1488.2163821165. The cubic root of 2214788 is about 130.3499054824.

The spelling of 2214788 in words is "two million, two hundred fourteen thousand, seven hundred eighty-eight".