2216247 has 16 divisors (see below), whose sum is σ = 3248640. Its totient is φ = 1332800.

The previous prime is 2216237. The next prime is 2216281. The reversal of 2216247 is 7426122.

2216247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2216247 - 2⁴ = 2216231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7747 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (203040).

2^2216247 is an apocalyptic number.

2216247 is a deficient number, since it is larger than the sum of its proper divisors (1032393).

2216247 is a wasteful number, since it uses less digits than its factorization.

2216247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 1344, while the sum is 24.

The square root of 2216247 is about 1488.7064855102. The cubic root of 2216247 is about 130.3785220312.

The spelling of 2216247 in words is "two million, two hundred sixteen thousand, two hundred forty-seven".