2268438 has 16 divisors (see below), whose sum is σ = 4693680. Its totient is φ = 730016.

The previous prime is 2268437. The next prime is 2268443. The reversal of 2268438 is 8348622.

It is a junction number, because it is equal to n+sod(n) for n = 2268399 and 2268408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268437) 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, 6345 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (293355).

2^2268438 is an apocalyptic number.

2268438 is an abundant number, since it is smaller than the sum of its proper divisors (2425242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268438 is a wasteful number, since it uses less digits than its factorization.

2268438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071.

The product of its digits is 18432, while the sum is 33.

The square root of 2268438 is about 1506.1334602219. The cubic root of 2268438 is about 131.3940314537.

It can be divided in two parts, 22684 and 38, that added together give a palindrome (22722).

The spelling of 2268438 in words is "two million, two hundred sixty-eight thousand, four hundred thirty-eight".