321022320420422 has 16 divisors (see below), whose sum is σ = 488316733684992. Its totient is φ = 158250085964040.

The previous prime is 321022320420401. The next prime is 321022320420443. The reversal of 321022320420422 is 224024023220123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (321022320420401) and next prime (321022320420443).

It is a super-2 number, since 2×321022320420422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68176943 + ... + 72733349.

It is an arithmetic number, because the mean of its divisors is an integer number (30519795855312).

Almost surely, 2^{321022320420422} is an apocalyptic number.

321022320420422 is a deficient number, since it is larger than the sum of its proper divisors (167294413264570).

321022320420422 is a wasteful number, since it uses less digits than its factorization.

321022320420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052643.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 321022320420422 its reverse (224024023220123), we get a palindrome (545046343640545).

The spelling of 321022320420422 in words is "three hundred twenty-one trillion, twenty-two billion, three hundred twenty million, four hundred twenty thousand, four hundred twenty-two".