2216430 has 32 divisors (see below), whose sum is σ = 5911200. Its totient is φ = 590976.

The previous prime is 2216413. The next prime is 2216437. The reversal of 2216430 is 346122.

It is a happy number.

2216430 is a `hidden beast` number, since 2 + 21 + 643 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835 + ... + 4374.

It is an arithmetic number, because the mean of its divisors is an integer number (184725).

2^2216430 is an apocalyptic number.

2216430 is an abundant number, since it is smaller than the sum of its proper divisors (3694770).

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

2216430 is a wasteful number, since it uses less digits than its factorization.

2216430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225 (or 8219 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2216430 is about 1488.7679469951. The cubic root of 2216430 is about 130.3821104719.

The spelling of 2216430 in words is "two million, two hundred sixteen thousand, four hundred thirty".