1404020422 has 16 divisors (see below), whose sum is σ = 2456013600. Its totient is φ = 601722744.

The previous prime is 1404020419. The next prime is 1404020437. The reversal of 1404020422 is 2240204041.

It is a self number, because there is not a number n which added to its sum of digits gives 1404020422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022653 + ... + 1024024.

It is an arithmetic number, because the mean of its divisors is an integer number (153500850).

Almost surely, 2^1404020422 is an apocalyptic number.

1404020422 is a deficient number, since it is larger than the sum of its proper divisors (1051993178).

1404020422 is an equidigital number, since it uses as much as digits as its factorization.

1404020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046700 (or 2046686 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1404020422 is about 37470.2605008292. The cubic root of 1404020422 is about 1119.7587761743.

Adding to 1404020422 its reverse (2240204041), we get a palindrome (3644224463).

The spelling of 1404020422 in words is "one billion, four hundred four million, twenty thousand, four hundred twenty-two".