322421232444 has 24 divisors (see below), whose sum is σ = 752325409920. Its totient is φ = 107472429744.

The previous prime is 322421232421. The next prime is 322421232479. The reversal of 322421232444 is 444232124223.

It is a happy number.

It is a super-2 number, since 2×322421232444² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748937 + ... + 1924479.

It is an arithmetic number, because the mean of its divisors is an integer number (31346892080).

Almost surely, 2^322421232444 is an apocalyptic number.

It is an amenable number.

322421232444 is an abundant number, since it is smaller than the sum of its proper divisors (429904177476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322421232444 is a wasteful number, since it uses less digits than its factorization.

322421232444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328609 (or 328607 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

Adding to 322421232444 its reverse (444232124223), we get a palindrome (766653356667).

The spelling of 322421232444 in words is "three hundred twenty-two billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred forty-four".