2001023322 has 16 divisors (see below), whose sum is σ = 4176048960. Its totient is φ = 638007392.

The previous prime is 2001023257. The next prime is 2001023341. The reversal of 2001023322 is 2233201002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7249947 + ... + 7250222.

It is an arithmetic number, because the mean of its divisors is an integer number (261003060).

Almost surely, 2^2001023322 is an apocalyptic number.

2001023322 is an abundant number, since it is smaller than the sum of its proper divisors (2175025638).

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

2001023322 is a wasteful number, since it uses less digits than its factorization.

2001023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500197.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2001023322 is about 44732.7991746548. The cubic root of 2001023322 is about 1260.1358974108.

Adding to 2001023322 its reverse (2233201002), we get a palindrome (4234224324).

The spelling of 2001023322 in words is "two billion, one million, twenty-three thousand, three hundred twenty-two".