2002012223 has 4 divisors (see below), whose sum is σ = 2003463288. Its totient is φ = 2000561160.

The previous prime is 2002012219. The next prime is 2002012231. The reversal of 2002012223 is 3222102002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002012223 - 2² = 2002012219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002012198 and 2002012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002012213) by changing a digit.

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, 723461 + ... + 726222.

It is an arithmetic number, because the mean of its divisors is an integer number (500865822).

Almost surely, 2^2002012223 is an apocalyptic number.

2002012223 is a deficient number, since it is larger than the sum of its proper divisors (1451065).

2002012223 is a wasteful number, since it uses less digits than its factorization.

2002012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451064.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2002012223 is about 44743.8512312027. The cubic root of 2002012223 is about 1260.3434486189.

Adding to 2002012223 its reverse (3222102002), we get a palindrome (5224114225).

The spelling of 2002012223 in words is "two billion, two million, twelve thousand, two hundred twenty-three".