1422413 has 4 divisors (see below), whose sum is σ = 1457148. Its totient is φ = 1387680.

The previous prime is 1422409. The next prime is 1422419. The reversal of 1422413 is 3142241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3142241 = 503 ⋅6247.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 996004 = 653^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422413 - 2² = 1422409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422391 and 1422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17306 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (364287).

2^1422413 is an apocalyptic number.

It is an amenable number.

1422413 is a deficient number, since it is larger than the sum of its proper divisors (34735).

1422413 is an equidigital number, since it uses as much as digits as its factorization.

1422413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34734.

The product of its digits is 192, while the sum is 17.

The square root of 1422413 is about 1192.6495713327. The cubic root of 1422413 is about 112.4627168636.

Adding to 1422413 its reverse (3142241), we get a palindrome (4564654).

The spelling of 1422413 in words is "one million, four hundred twenty-two thousand, four hundred thirteen".