1313404422 has 24 divisors (see below), whose sum is σ = 2887320408. Its totient is φ = 398001120.

The previous prime is 1313404387. The next prime is 1313404439. The reversal of 1313404422 is 2244043131.

It is a junction number, because it is equal to n+sod(n) for n = 1313404392 and 1313404401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903823 + ... + 905274.

It is an arithmetic number, because the mean of its divisors is an integer number (120305017).

Almost surely, 2^1313404422 is an apocalyptic number.

1313404422 is an abundant number, since it is smaller than the sum of its proper divisors (1573915986).

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

1313404422 is a wasteful number, since it uses less digits than its factorization.

1313404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809124 (or 1809113 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1313404422 is about 36240.9219253595. The cubic root of 1313404422 is about 1095.1312150674.

Adding to 1313404422 its reverse (2244043131), we get a palindrome (3557447553).

The spelling of 1313404422 in words is "one billion, three hundred thirteen million, four hundred four thousand, four hundred twenty-two".