2216046 has 32 divisors (see below), whose sum is σ = 5333760. Its totient is φ = 599616.

The previous prime is 2216021. The next prime is 2216047. The reversal of 2216046 is 6406122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216047) 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, 591 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (166680).

2^2216046 is an apocalyptic number.

2216046 is an abundant number, since it is smaller than the sum of its proper divisors (3117714).

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

2216046 is a wasteful number, since it uses less digits than its factorization.

2216046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2216046 is about 1488.6389757090. The cubic root of 2216046 is about 130.3745804015.

The spelling of 2216046 in words is "two million, two hundred sixteen thousand, forty-six".