2216830 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 690720.

The previous prime is 2216821. The next prime is 2216839. The reversal of 2216830 is 386122.

It is an interprime number because it is at equal distance from previous prime (2216821) and next prime (2216839).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^2216830 is an apocalyptic number.

2216830 is an abundant number, since it is smaller than the sum of its proper divisors (2759810).

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

2216830 is a wasteful number, since it uses less digits than its factorization.

2216830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2216830 is about 1488.9022802051. The cubic root of 2216830 is about 130.3899533705.

The spelling of 2216830 in words is "two million, two hundred sixteen thousand, eight hundred thirty".