2243516 has 12 divisors (see below), whose sum is σ = 4283160. Its totient is φ = 1019760.

The previous prime is 2243503. The next prime is 2243531. The reversal of 2243516 is 6153422.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2243491 and 2243500.

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, 25451 + ... + 25538.

It is an arithmetic number, because the mean of its divisors is an integer number (356930).

2^2243516 is an apocalyptic number.

It is an amenable number.

2243516 is a deficient number, since it is larger than the sum of its proper divisors (2039644).

2243516 is a wasteful number, since it uses less digits than its factorization.

2243516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51004 (or 51002 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2243516 is about 1497.8371072984. The cubic root of 2243516 is about 130.9110753651.

Adding to 2243516 its reverse (6153422), we get a palindrome (8396938).

The spelling of 2243516 in words is "two million, two hundred forty-three thousand, five hundred sixteen".