2218448 has 20 divisors (see below), whose sum is σ = 4370628. Its totient is φ = 1090560.

The previous prime is 2218439. The next prime is 2218451. The reversal of 2218448 is 8448122.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 1281424 = 968^2 + 1132^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2218448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 2112.

2^2218448 is an apocalyptic number.

It is an amenable number.

2218448 is a deficient number, since it is larger than the sum of its proper divisors (2152180).

2218448 is a wasteful number, since it uses less digits than its factorization.

2218448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2336 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 2218448 is about 1489.4455344188. The cubic root of 2218448 is about 130.4216682725.

The spelling of 2218448 in words is "two million, two hundred eighteen thousand, four hundred forty-eight".