2268868 has 12 divisors (see below), whose sum is σ = 4537792. Its totient is φ = 972360.

The previous prime is 2268863. The next prime is 2268869. The reversal of 2268868 is 8688622.

2268868 is an admirable number.

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁶ + 6² + 8² + 8⁵ + 6⁵ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2268868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40488 + ... + 40543.

2^2268868 is an apocalyptic number.

2268868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2268868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2268868 is a wasteful number, since it uses less digits than its factorization.

2268868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81042 (or 81040 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 2268868 is about 1506.2762030916. The cubic root of 2268868 is about 131.4023331815.

It can be divided in two parts, 2268 and 868, that added together give a square (3136 = 56²).

The spelling of 2268868 in words is "two million, two hundred sixty-eight thousand, eight hundred sixty-eight".