322420322421 has 16 divisors (see below), whose sum is σ = 477676489920. Its totient is φ = 214939342800.

The previous prime is 322420322417. The next prime is 322420322431. The reversal of 322420322421 is 124223024223.

322420322421 is a `hidden beast` number, since 32 + 2 + 4 + 203 + 2 + 2 + 421 = 666.

It is not a de Polignac number, because 322420322421 - 2² = 322420322417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322420322431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636846 + ... + 1024896.

It is an arithmetic number, because the mean of its divisors is an integer number (29854780620).

Almost surely, 2^322420322421 is an apocalyptic number.

It is an amenable number.

322420322421 is a deficient number, since it is larger than the sum of its proper divisors (155256167499).

322420322421 is a wasteful number, since it uses less digits than its factorization.

322420322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418833 (or 418827 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 322420322421 its reverse (124223024223), we get a palindrome (446643346644).

The spelling of 322420322421 in words is "three hundred twenty-two billion, four hundred twenty million, three hundred twenty-two thousand, four hundred twenty-one".