2213788 has 6 divisors (see below), whose sum is σ = 3874136. Its totient is φ = 1106892.

The previous prime is 2213759. The next prime is 2213789. The reversal of 2213788 is 8873122.

2213788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213789) 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, 276720 + ... + 276727.

2^2213788 is an apocalyptic number.

It is an amenable number.

2213788 is a deficient number, since it is larger than the sum of its proper divisors (1660348).

2213788 is a wasteful number, since it uses less digits than its factorization.

2213788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553451 (or 553449 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 2213788 is about 1487.8803715353. The cubic root of 2213788 is about 130.3302844128.

The spelling of 2213788 in words is "two million, two hundred thirteen thousand, seven hundred eighty-eight".