1313303222 has 32 divisors (see below), whose sum is σ = 2540747520. Its totient is φ = 494030880.

The previous prime is 1313303213. The next prime is 1313303287. The reversal of 1313303222 is 2223033131.

It is a super-4 number, since 4×1313303222⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313303194 and 1313303203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142568 + ... + 151499.

It is an arithmetic number, because the mean of its divisors is an integer number (79398360).

Almost surely, 2^1313303222 is an apocalyptic number.

1313303222 is a deficient number, since it is larger than the sum of its proper divisors (1227444298).

1313303222 is a wasteful number, since it uses less digits than its factorization.

1313303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294116.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1313303222 is about 36239.5256867415. The cubic root of 1313303222 is about 1095.1030871164.

Adding to 1313303222 its reverse (2223033131), we get a palindrome (3536336353).

The spelling of 1313303222 in words is "one billion, three hundred thirteen million, three hundred three thousand, two hundred twenty-two".