1331422 has 8 divisors (see below), whose sum is σ = 2018016. Its totient is φ = 658752.

The previous prime is 1331411. The next prime is 1331431. The reversal of 1331422 is 2241331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1331396 and 1331405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

2^1331422 is an apocalyptic number.

1331422 is a deficient number, since it is larger than the sum of its proper divisors (686594).

1331422 is an equidigital number, since it uses as much as digits as its factorization.

1331422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962.

The product of its digits is 144, while the sum is 16.

The square root of 1331422 is about 1153.8726099531. The cubic root of 1331422 is about 110.0116241159.

Adding to 1331422 its reverse (2241331), we get a palindrome (3572753).

Subtracting 1331422 from its reverse (2241331), we obtain a palindrome (909909).

The spelling of 1331422 in words is "one million, three hundred thirty-one thousand, four hundred twenty-two".