2218454 has 16 divisors (see below), whose sum is σ = 3826176. Its totient is φ = 945000.

The previous prime is 2218451. The next prime is 2218519. The reversal of 2218454 is 4548122.

It is a happy number.

2218454 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2218454 is strictly pandigital in base 8.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218451) 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, 2579 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (239136).

2^2218454 is an apocalyptic number.

2218454 is a deficient number, since it is larger than the sum of its proper divisors (1607722).

2218454 is a wasteful number, since it uses less digits than its factorization.

2218454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its digits is 2560, while the sum is 26.

The square root of 2218454 is about 1489.4475485897. The cubic root of 2218454 is about 130.4217858516.

The spelling of 2218454 in words is "two million, two hundred eighteen thousand, four hundred fifty-four".