2216841 has 24 divisors (see below), whose sum is σ = 3370752. Its totient is φ = 1293600.

The previous prime is 2216839. The next prime is 2216857. The reversal of 2216841 is 1486122.

It is not a de Polignac number, because 2216841 - 2¹ = 2216839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11155 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (140448).

2^2216841 is an apocalyptic number.

It is an amenable number.

2216841 is a deficient number, since it is larger than the sum of its proper divisors (1153911).

2216841 is a wasteful number, since it uses less digits than its factorization.

2216841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 242 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 2216841 is about 1488.9059741972. The cubic root of 2216841 is about 130.3901690369.

The spelling of 2216841 in words is "two million, two hundred sixteen thousand, eight hundred forty-one".