1422544 has 20 divisors (see below), whose sum is σ = 2799424. Its totient is φ = 700128.

The previous prime is 1422541. The next prime is 1422563. The reversal of 1422544 is 4452241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422541) 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, 409 + ... + 1735.

2^1422544 is an apocalyptic number.

It is an amenable number.

1422544 is a deficient number, since it is larger than the sum of its proper divisors (1376880).

1422544 is a wasteful number, since it uses less digits than its factorization.

1422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1396 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 1422544 is about 1192.7044898046. The cubic root of 1422544 is about 112.4661692514.

Adding to 1422544 its reverse (4452241), we get a palindrome (5874785).

The spelling of 1422544 in words is "one million, four hundred twenty-two thousand, five hundred forty-four".