2001323222 has 8 divisors (see below), whose sum is σ = 3013400016. Its totient is φ = 996856552.

The previous prime is 2001323213. The next prime is 2001323237. The reversal of 2001323222 is 2223231002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2001323222² = 8010589277832922568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001323222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1901873 + ... + 1902924.

It is an arithmetic number, because the mean of its divisors is an integer number (376675002).

Almost surely, 2^2001323222 is an apocalyptic number.

2001323222 is a deficient number, since it is larger than the sum of its proper divisors (1012076794).

2001323222 is a wasteful number, since it uses less digits than its factorization.

2001323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805062.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2001323222 is about 44736.1511755314. The cubic root of 2001323222 is about 1260.1988478477.

Adding to 2001323222 its reverse (2223231002), we get a palindrome (4224554224).

The spelling of 2001323222 in words is "two billion, one million, three hundred twenty-three thousand, two hundred twenty-two".