322423402221 has 12 divisors (see below), whose sum is σ = 465766409472. Its totient is φ = 214928757576.

The previous prime is 322423402201. The next prime is 322423402243. The reversal of 322423402221 is 122204324223.

322423402221 is a `hidden beast` number, since 32 + 2 + 4 + 2 + 3 + 402 + 221 = 666.

It is not a de Polignac number, because 322423402221 - 2⁶ = 322423402157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322423402201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579911 + ... + 1772276.

It is an arithmetic number, because the mean of its divisors is an integer number (38813867456).

Almost surely, 2^322423402221 is an apocalyptic number.

It is an amenable number.

322423402221 is a deficient number, since it is larger than the sum of its proper divisors (143343007251).

322423402221 is a wasteful number, since it uses less digits than its factorization.

322423402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362880 (or 3362877 counting only the distinct ones).

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

Adding to 322423402221 its reverse (122204324223), we get a palindrome (444627726444).

The spelling of 322423402221 in words is "three hundred twenty-two billion, four hundred twenty-three million, four hundred two thousand, two hundred twenty-one".