2216463 has 8 divisors (see below), whose sum is σ = 2962176. Its totient is φ = 1474200.

The previous prime is 2216437. The next prime is 2216471. The reversal of 2216463 is 3646122.

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

It is not a de Polignac number, because 2216463 - 2⁶ = 2216399 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216413) 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, 1978 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (370272).

2^2216463 is an apocalyptic number.

2216463 is a deficient number, since it is larger than the sum of its proper divisors (745713).

2216463 is an equidigital number, since it uses as much as digits as its factorization.

2216463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its digits is 1728, while the sum is 24.

The square root of 2216463 is about 1488.7790299437. The cubic root of 2216463 is about 130.3827575468.

The spelling of 2216463 in words is "two million, two hundred sixteen thousand, four hundred sixty-three".