2244816 has 120 divisors (see below), whose sum is σ = 7660224. Its totient is φ = 599040.

The previous prime is 2244811. The next prime is 2244821. The reversal of 2244816 is 6184422.

It is an interprime number because it is at equal distance from previous prime (2244811) and next prime (2244821).

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 2244816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17071 + ... + 17201.

2^2244816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830112).

2244816 is an abundant number, since it is smaller than the sum of its proper divisors (5415408).

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

2244816 is a wasteful number, since it uses less digits than its factorization.

2244816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 160 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2244816 is about 1498.2710035237. The cubic root of 2244816 is about 130.9363558530.

The spelling of 2244816 in words is "two million, two hundred forty-four thousand, eight hundred sixteen".