1422744 has 16 divisors (see below), whose sum is σ = 3556920. Its totient is φ = 474240.

The previous prime is 1422727. The next prime is 1422749. The reversal of 1422744 is 4472241.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 59281 = 1422744 / (1 + 4 + 2 + 2 + 7 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422749) 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, 29617 + ... + 29664.

2^1422744 is an apocalyptic number.

It is an amenable number.

1422744 is an abundant number, since it is smaller than the sum of its proper divisors (2134176).

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

1422744 is a wasteful number, since it uses less digits than its factorization.

1422744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59290 (or 59286 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 1422744 is about 1192.7883299228. The cubic root of 1422744 is about 112.4714396636.

Adding to 1422744 its reverse (4472241), we get a palindrome (5894985).

The spelling of 1422744 in words is "one million, four hundred twenty-two thousand, seven hundred forty-four".