1343521322 has 48 divisors (see below), whose sum is σ = 2525966856. Its totient is φ = 530534400.

The previous prime is 1343521303. The next prime is 1343521351. The reversal of 1343521322 is 2231253431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1075249681 + 268271641 = 32791^2 + 16379^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1343521291 and 1343521300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40922 + ... + 66042.

Almost surely, 2^1343521322 is an apocalyptic number.

1343521322 is a deficient number, since it is larger than the sum of its proper divisors (1182445534).

1343521322 is a wasteful number, since it uses less digits than its factorization.

1343521322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25175 (or 25164 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1343521322 is about 36654.0764717923. The cubic root of 1343521322 is about 1103.4386394886.

Adding to 1343521322 its reverse (2231253431), we get a palindrome (3574774753).

The spelling of 1343521322 in words is "one billion, three hundred forty-three million, five hundred twenty-one thousand, three hundred twenty-two".