322253252420 has 72 divisors (see below), whose sum is σ = 745156200600. Its totient is φ = 116976555520.

The previous prime is 322253252411. The next prime is 322253252467. The reversal of 322253252420 is 24252352223.

It can be written as a sum of positive squares in 4 ways, for example, as 1754604544 + 320498647876 = 41888^2 + 566126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259966 + ... + 1493994.

It is an arithmetic number, because the mean of its divisors is an integer number (10349391675).

Almost surely, 2^322253252420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322253252420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372578100300).

322253252420 is an abundant number, since it is smaller than the sum of its proper divisors (422902948180).

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

322253252420 is a wasteful number, since it uses less digits than its factorization.

322253252420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234629 (or 234616 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 322253252420 in words is "three hundred twenty-two billion, two hundred fifty-three million, two hundred fifty-two thousand, four hundred twenty".