1422328 has 8 divisors (see below), whose sum is σ = 2666880. Its totient is φ = 711160.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422328 is 8232241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1422299 and 1422308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88888 + ... + 88903.

It is an arithmetic number, because the mean of its divisors is an integer number (333360).

2^1422328 is an apocalyptic number.

It is an amenable number.

1422328 is a deficient number, since it is larger than the sum of its proper divisors (1244552).

1422328 is a wasteful number, since it uses less digits than its factorization.

1422328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177797 (or 177793 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1422328 is about 1192.6139358569. The cubic root of 1422328 is about 112.4604766513.

Adding to 1422328 its reverse (8232241), we get a palindrome (9654569).

The spelling of 1422328 in words is "one million, four hundred twenty-two thousand, three hundred twenty-eight".