1313222 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 622920.

The previous prime is 1313219. The next prime is 1313237. The reversal of 1313222 is 2223131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1313197 and 1313206.

It is a congruent number.

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, 3479 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1313222 is an apocalyptic number.

1313222 is a deficient number, since it is larger than the sum of its proper divisors (760378).

1313222 is a wasteful number, since it uses less digits than its factorization.

1313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 72, while the sum is 14.

The square root of 1313222 is about 1145.9589870497. The cubic root of 1313222 is about 109.5080510889.

Adding to 1313222 its reverse (2223131), we get a palindrome (3536353).

Subtracting 1313222 from its reverse (2223131), we obtain a palindrome (909909).

The spelling of 1313222 in words is "one million, three hundred thirteen thousand, two hundred twenty-two".