1311422 has 16 divisors (see below), whose sum is σ = 2262912. Its totient is φ = 558360.

The previous prime is 1311419. The next prime is 1311433. The reversal of 1311422 is 2241131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1311397 and 1311406.

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, 3797 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (141432).

2^1311422 is an apocalyptic number.

1311422 is a deficient number, since it is larger than the sum of its proper divisors (951490).

1311422 is a wasteful number, since it uses less digits than its factorization.

1311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 48, while the sum is 14.

The square root of 1311422 is about 1145.1733493231. The cubic root of 1311422 is about 109.4579949114.

Adding to 1311422 its reverse (2241131), we get a palindrome (3552553).

The spelling of 1311422 in words is "one million, three hundred eleven thousand, four hundred twenty-two".