2216041 has 8 divisors (see below), whose sum is σ = 2302344. Its totient is φ = 2131200.

The previous prime is 2216021. The next prime is 2216047. The reversal of 2216041 is 1406122.

It can be written as a sum of positive squares in 4 ways, for example, as 1510441 + 705600 = 1229^2 + 840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2216041 - 2⁹ = 2215529 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 3441 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (287793).

2^2216041 is an apocalyptic number.

It is an amenable number.

2216041 is a deficient number, since it is larger than the sum of its proper divisors (86303).

2216041 is a wasteful number, since it uses less digits than its factorization.

2216041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2216041 is about 1488.6372963217. The cubic root of 2216041 is about 130.3744823480.

It can be divided in two parts, 22160 and 41, that added together give a square (22201 = 149²).

The spelling of 2216041 in words is "two million, two hundred sixteen thousand, forty-one".