2218968 has 32 divisors (see below), whose sum is σ = 6164400. Its totient is φ = 739584.

The previous prime is 2218967. The next prime is 2218969. The reversal of 2218968 is 8698122.

It is an interprime number because it is at equal distance from previous prime (2218967) and next prime (2218969).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218967) 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, 4921 + ... + 5352.

2^2218968 is an apocalyptic number.

It is an amenable number.

2218968 is an abundant number, since it is smaller than the sum of its proper divisors (3945432).

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

2218968 is a wasteful number, since it uses less digits than its factorization.

2218968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288 (or 10278 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2218968 is about 1489.6200857937. The cubic root of 2218968 is about 130.4318576735.

The spelling of 2218968 in words is "two million, two hundred eighteen thousand, nine hundred sixty-eight".