2216790 has 24 divisors (see below), whose sum is σ = 5763888. Its totient is φ = 591120.

The previous prime is 2216777. The next prime is 2216803. The reversal of 2216790 is 976122.

2216790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2216777) and next prime (2216803).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 12226 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (240162).

2^2216790 is an apocalyptic number.

2216790 is an abundant number, since it is smaller than the sum of its proper divisors (3547098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216790 is a wasteful number, since it uses less digits than its factorization.

2216790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24644 (or 24641 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2216790 is about 1488.8888474295. Note that the first 4 decimals coincide. The cubic root of 2216790 is about 130.3891691231.

The spelling of 2216790 in words is "two million, two hundred sixteen thousand, seven hundred ninety".