2243320 has 32 divisors (see below), whose sum is σ = 5346000. Its totient is φ = 844288.

The previous prime is 2243317. The next prime is 2243333. The reversal of 2243320 is 233422.

2243320 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2243294 and 2243303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 2329.

2^2243320 is an apocalyptic number.

2243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243320 is an abundant number, since it is smaller than the sum of its proper divisors (3102680).

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

2243320 is a wasteful number, since it uses less digits than its factorization.

2243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2243320 is about 1497.7716781940. The cubic root of 2243320 is about 130.9072629982.

Adding to 2243320 its reverse (233422), we get a palindrome (2476742).

The spelling of 2243320 in words is "two million, two hundred forty-three thousand, three hundred twenty".