1404422 has 4 divisors (see below), whose sum is σ = 2106636. Its totient is φ = 702210.

The previous prime is 1404419. The next prime is 1404427. The reversal of 1404422 is 2244041.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1404422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351104 + ... + 351107.

It is an arithmetic number, because the mean of its divisors is an integer number (526659).

2^1404422 is an apocalyptic number.

1404422 is a deficient number, since it is larger than the sum of its proper divisors (702214).

1404422 is an equidigital number, since it uses as much as digits as its factorization.

1404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702213.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1404422 is about 1185.0831194477. The cubic root of 1404422 is about 111.9865523820.

Adding to 1404422 its reverse (2244041), we get a palindrome (3648463).

The spelling of 1404422 in words is "one million, four hundred four thousand, four hundred twenty-two".