1422441 has 20 divisors (see below), whose sum is σ = 2252052. Its totient is φ = 891648.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422441 is 1442241.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 156816 = 1125^2 + 396^2 .

It is not a de Polignac number, because 1422441 - 2¹ = 1422439 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422461) 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 19 ways as a sum of consecutive naturals, for example, 861 + ... + 1893.

2^1422441 is an apocalyptic number.

It is an amenable number.

1422441 is a deficient number, since it is larger than the sum of its proper divisors (829611).

1422441 is a wasteful number, since it uses less digits than its factorization.

1422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1053 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1422441 is about 1192.6613098445. The cubic root of 1422441 is about 112.4634547964.

Adding to 1422441 its reverse (1442241), we get a palindrome (2864682).

The spelling of 1422441 in words is "one million, four hundred twenty-two thousand, four hundred forty-one".