1422746 has 8 divisors (see below), whose sum is σ = 2298324. Its totient is φ = 656640.

The previous prime is 1422727. The next prime is 1422749. The reversal of 1422746 is 6472241.

It can be written as a sum of positive squares in 2 ways, for example, as 1413721 + 9025 = 1189^2 + 95^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 54721 = 1422746 / (1 + 4 + 2 + 2 + 7 + 4 + 6).

It is not an unprimeable number, because it can be changed into a prime (1422749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27335 + ... + 27386.

2^1422746 is an apocalyptic number.

1422746 is a deficient number, since it is larger than the sum of its proper divisors (875578).

1422746 is a wasteful number, since it uses less digits than its factorization.

1422746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54736.

The product of its digits is 2688, while the sum is 26.

The square root of 1422746 is about 1192.7891682942. The cubic root of 1422746 is about 112.4714923652.

Adding to 1422746 its reverse (6472241), we get a palindrome (7894987).

The spelling of 1422746 in words is "one million, four hundred twenty-two thousand, seven hundred forty-six".