322746432 has 56 divisors (see below), whose sum is σ = 865668576. Its totient is φ = 106103808.

The previous prime is 322746427. The next prime is 322746439. The reversal of 322746432 is 234647223.

It is a junction number, because it is equal to n+sod(n) for n = 322746393 and 322746402.

It is not an unprimeable number, because it can be changed into a prime (322746439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503 + ... + 25529.

Almost surely, 2^322746432 is an apocalyptic number.

322746432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322746432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432834288).

322746432 is an abundant number, since it is smaller than the sum of its proper divisors (542922144).

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

322746432 is a wasteful number, since it uses less digits than its factorization.

322746432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115 (or 23105 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 322746432 is about 17965.1449200946. The cubic root of 322746432 is about 685.9416123272.

The spelling of 322746432 in words is "three hundred twenty-two million, seven hundred forty-six thousand, four hundred thirty-two".