2431222320 has 40 divisors (see below), whose sum is σ = 7536789936. Its totient is φ = 648325888.

The previous prime is 2431222289. The next prime is 2431222327. The reversal of 2431222320 is 232221342.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2431222327) by changing a digit.

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, 5064807 + ... + 5065286.

Almost surely, 2^2431222320 is an apocalyptic number.

2431222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431222320 is an abundant number, since it is smaller than the sum of its proper divisors (5105567616).

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

2431222320 is a wasteful number, since it uses less digits than its factorization.

2431222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130109 (or 10130103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2431222320 is about 49307.4266211491. The cubic root of 2431222320 is about 1344.6468063727.

Adding to 2431222320 its reverse (232221342), we get a palindrome (2663443662).

The spelling of 2431222320 in words is "two billion, four hundred thirty-one million, two hundred twenty-two thousand, three hundred twenty".