1316422 has 4 divisors (see below), whose sum is σ = 1974636. Its totient is φ = 658210.

The previous prime is 1316417. The next prime is 1316431. The reversal of 1316422 is 2246131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2246131 = 347 ⋅6473.

It is a self number, because there is not a number n which added to its sum of digits gives 1316422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329104 + ... + 329107.

It is an arithmetic number, because the mean of its divisors is an integer number (493659).

2^1316422 is an apocalyptic number.

1316422 is a deficient number, since it is larger than the sum of its proper divisors (658214).

1316422 is an equidigital number, since it uses as much as digits as its factorization.

1316422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658213.

The product of its digits is 288, while the sum is 19.

The square root of 1316422 is about 1147.3543480547. The cubic root of 1316422 is about 109.5969270277.

The spelling of 1316422 in words is "one million, three hundred sixteen thousand, four hundred twenty-two".