1421321422 has 8 divisors (see below), whose sum is σ = 2132259336. Its totient is φ = 710568312.

The previous prime is 1421321417. The next prime is 1421321423. The reversal of 1421321422 is 2241231241.

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

It is a super-2 number, since 2×1421321422² = 4040309169272204168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421321393 and 1421321402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421321423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25033 + ... + 58900.

It is an arithmetic number, because the mean of its divisors is an integer number (266532417).

Almost surely, 2^1421321422 is an apocalyptic number.

1421321422 is a deficient number, since it is larger than the sum of its proper divisors (710937914).

1421321422 is an equidigital number, since it uses as much as digits as its factorization.

1421321422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92402.

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

The square root of 1421321422 is about 37700.4167350972. The cubic root of 1421321422 is about 1124.3394105708.

Adding to 1421321422 its reverse (2241231241), we get a palindrome (3662552663).

The spelling of 1421321422 in words is "one billion, four hundred twenty-one million, three hundred twenty-one thousand, four hundred twenty-two".