321422422 has 8 divisors (see below), whose sum is σ = 491230656. Its totient is φ = 157678872.

The previous prime is 321422407. The next prime is 321422459. The reversal of 321422422 is 224224123.

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

It is a junction number, because it is equal to n+sod(n) for n = 321422393 and 321422402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516038 + ... + 1516249.

It is an arithmetic number, because the mean of its divisors is an integer number (61403832).

Almost surely, 2^321422422 is an apocalyptic number.

321422422 is a deficient number, since it is larger than the sum of its proper divisors (169808234).

321422422 is a wasteful number, since it uses less digits than its factorization.

321422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032342.

The product of its digits is 1536, while the sum is 22.

The square root of 321422422 is about 17928.2576398266. The cubic root of 321422422 is about 685.0023421519.

Adding to 321422422 its reverse (224224123), we get a palindrome (545646545).

The spelling of 321422422 in words is "three hundred twenty-one million, four hundred twenty-two thousand, four hundred twenty-two".