2431221322 has 16 divisors (see below), whose sum is σ = 3793444200. Its totient is φ = 1167203520.

The previous prime is 2431221301. The next prime is 2431221383. The reversal of 2431221322 is 2231221342.

2431221322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1229975041 + 1201246281 = 35071^2 + 34659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2431221293 and 2431221302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105297 + ... + 126292.

Almost surely, 2^2431221322 is an apocalyptic number.

2431221322 is a deficient number, since it is larger than the sum of its proper divisors (1362222878).

2431221322 is a wasteful number, since it uses less digits than its factorization.

2431221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231801.

The product of its digits is 1152, while the sum is 22.

The square root of 2431221322 is about 49307.4165009687. The cubic root of 2431221322 is about 1344.6466223832.

Adding to 2431221322 its reverse (2231221342), we get a palindrome (4662442664).

The spelling of 2431221322 in words is "two billion, four hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-two".