2243431320 has 64 divisors (see below), whose sum is σ = 7248013920. Its totient is φ = 552228864.

The previous prime is 2243431313. The next prime is 2243431321. The reversal of 2243431320 is 231343422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243431321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717489 + ... + 720608.

Almost surely, 2^2243431320 is an apocalyptic number.

2243431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243431320 is an abundant number, since it is smaller than the sum of its proper divisors (5004582600).

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

2243431320 is a wasteful number, since it uses less digits than its factorization.

2243431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438124 (or 1438120 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2243431320 is about 47364.8743268680. The cubic root of 2243431320 is about 1309.0942829423.

Adding to 2243431320 its reverse (231343422), we get a palindrome (2474774742).

The spelling of 2243431320 in words is "two billion, two hundred forty-three million, four hundred thirty-one thousand, three hundred twenty".