2216106 has 16 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 738684.

The previous prime is 2216101. The next prime is 2216113. The reversal of 2216106 is 6016122.

It is a happy number.

It is a super-2 number, since 2×2216106² = 9822251606472, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2216101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20466 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

2^2216106 is an apocalyptic number.

2216106 is an abundant number, since it is smaller than the sum of its proper divisors (2708694).

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

2216106 is a wasteful number, since it uses less digits than its factorization.

2216106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41050 (or 41044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2216106 is about 1488.6591282090. The cubic root of 2216106 is about 130.3757570323.

The spelling of 2216106 in words is "two million, two hundred sixteen thousand, one hundred six".