322142255420 has 48 divisors (see below), whose sum is σ = 681795878400. Its totient is φ = 127849972800.

The previous prime is 322142255411. The next prime is 322142255423. The reversal of 322142255420 is 24552241223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322142255423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2470211 + ... + 2597349.

It is an arithmetic number, because the mean of its divisors is an integer number (14204080800).

Almost surely, 2^322142255420 is an apocalyptic number.

It is an amenable number.

322142255420 is an abundant number, since it is smaller than the sum of its proper divisors (359653622980).

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

322142255420 is a wasteful number, since it uses less digits than its factorization.

322142255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128138 (or 128136 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 322142255420 its reverse (24552241223), we get a palindrome (346694496643).

The spelling of 322142255420 in words is "three hundred twenty-two billion, one hundred forty-two million, two hundred fifty-five thousand, four hundred twenty".