1422404426 has 8 divisors (see below), whose sum is σ = 2135951424. Its totient is φ = 710420620.

The previous prime is 1422404377. The next prime is 1422404471. The reversal of 1422404426 is 6244042241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1422404426² = 4046468702208778952, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 388520 + ... + 392163.

It is an arithmetic number, because the mean of its divisors is an integer number (266993928).

Almost surely, 2^1422404426 is an apocalyptic number.

1422404426 is a deficient number, since it is larger than the sum of its proper divisors (713546998).

1422404426 is an equidigital number, since it uses as much as digits as its factorization.

1422404426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781596.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 1422404426 is about 37714.7772895453. Note that the first 3 decimals coincide. The cubic root of 1422404426 is about 1124.6249089614.

Adding to 1422404426 its reverse (6244042241), we get a palindrome (7666446667).

The spelling of 1422404426 in words is "one billion, four hundred twenty-two million, four hundred four thousand, four hundred twenty-six".