2243323420 has 48 divisors (see below), whose sum is σ = 5248323360. Its totient is φ = 799739136.

The previous prime is 2243323399. The next prime is 2243323427. The reversal of 2243323420 is 243233422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243323427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141222 + ... + 156301.

It is an arithmetic number, because the mean of its divisors is an integer number (109340070).

Almost surely, 2^2243323420 is an apocalyptic number.

2243323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243323420 is an abundant number, since it is smaller than the sum of its proper divisors (3004999940).

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

2243323420 is a wasteful number, since it uses less digits than its factorization.

2243323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297574 (or 297572 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 2243323420 is about 47363.7352834423. The cubic root of 2243323420 is about 1309.0732952205.

Adding to 2243323420 its reverse (243233422), we get a palindrome (2486556842).

The spelling of 2243323420 in words is "two billion, two hundred forty-three million, three hundred twenty-three thousand, four hundred twenty".