2263312 has 40 divisors (see below), whose sum is σ = 4760856. Its totient is φ = 1038336.

The previous prime is 2263307. The next prime is 2263319. The reversal of 2263312 is 2133622.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 1648656 = 784^2 + 1284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2263312.

It is not an unprimeable number, because it can be changed into a prime (2263319) 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, 14338 + ... + 14494.

2^2263312 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 2263312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380428).

2263312 is an abundant number, since it is smaller than the sum of its proper divisors (2497544).

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

2263312 is a wasteful number, since it uses less digits than its factorization.

2263312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 229 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 2263312 is about 1504.4307893685. The cubic root of 2263312 is about 131.2949862420.

Adding to 2263312 its reverse (2133622), we get a palindrome (4396934).

The spelling of 2263312 in words is "two million, two hundred sixty-three thousand, three hundred twelve".