2001332322 has 24 divisors (see below), whose sum is σ = 4730422320. Its totient is φ = 606464280.

The previous prime is 2001332287. The next prime is 2001332351. The reversal of 2001332322 is 2232331002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2001332295 and 2001332304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5053672 + ... + 5054067.

It is an arithmetic number, because the mean of its divisors is an integer number (197100930).

Almost surely, 2^2001332322 is an apocalyptic number.

2001332322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001332322 is an abundant number, since it is smaller than the sum of its proper divisors (2729089998).

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

2001332322 is a wasteful number, since it uses less digits than its factorization.

2001332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107758 (or 10107755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2001332322 is about 44736.2528828689. The cubic root of 2001332322 is about 1260.2007578827.

Adding to 2001332322 its reverse (2232331002), we get a palindrome (4233663324).

The spelling of 2001332322 in words is "two billion, one million, three hundred thirty-two thousand, three hundred twenty-two".