1422444 has 24 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 469504.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422444 is 4442241.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422444.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 832 + ... + 1880.

It is an arithmetic number, because the mean of its divisors is an integer number (139650).

2^1422444 is an apocalyptic number.

It is an amenable number.

1422444 is an abundant number, since it is smaller than the sum of its proper divisors (1929156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422444 is a wasteful number, since it uses less digits than its factorization.

1422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1167 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 1422444 is about 1192.6625675353. The cubic root of 1422444 is about 112.4635338600.

Adding to 1422444 its reverse (4442241), we get a palindrome (5864685).

The spelling of 1422444 in words is "one million, four hundred twenty-two thousand, four hundred forty-four".