2218463 has 6 divisors (see below), whose sum is σ = 2402424. Its totient is φ = 2047656.

The previous prime is 2218451. The next prime is 2218519. The reversal of 2218463 is 3648122.

It is not a de Polignac number, because 2218463 - 2⁸ = 2218207 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 (2218423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6395 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (400404).

2^2218463 is an apocalyptic number.

2218463 is a deficient number, since it is larger than the sum of its proper divisors (183961).

2218463 is a wasteful number, since it uses less digits than its factorization.

2218463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153 (or 13140 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2218463 is about 1489.4505698411. The cubic root of 2218463 is about 130.4219622198.

The spelling of 2218463 in words is "two million, two hundred eighteen thousand, four hundred sixty-three".