322143042452 has 24 divisors (see below), whose sum is σ = 702857547840. Its totient is φ = 125510276160.

The previous prime is 322143042413. The next prime is 322143042467. The reversal of 322143042452 is 254240341223.

It is a super-2 number, since 2×322143042452² (a number of 24 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522959177 + ... + 522959792.

It is an arithmetic number, because the mean of its divisors is an integer number (29285731160).

Almost surely, 2^322143042452 is an apocalyptic number.

It is an amenable number.

322143042452 is an abundant number, since it is smaller than the sum of its proper divisors (380714505388).

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

322143042452 is a wasteful number, since it uses less digits than its factorization.

322143042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045918991 (or 1045918989 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 322143042452 its reverse (254240341223), we get a palindrome (576383383675).

The spelling of 322143042452 in words is "three hundred twenty-two billion, one hundred forty-three million, forty-two thousand, four hundred fifty-two".