2001223010 has 32 divisors (see below), whose sum is σ = 3813099840. Its totient is φ = 754907328.

The previous prime is 2001222991. The next prime is 2001223057. The reversal of 2001223010 is 103221002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001222982 and 2001223000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67772 + ... + 92711.

It is an arithmetic number, because the mean of its divisors is an integer number (119159370).

Almost surely, 2^2001223010 is an apocalyptic number.

2001223010 is a deficient number, since it is larger than the sum of its proper divisors (1811876830).

2001223010 is a wasteful number, since it uses less digits than its factorization.

2001223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160562.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2001223010 is about 44735.0311277415. The cubic root of 2001223010 is about 1260.1778135718.

Adding to 2001223010 its reverse (103221002), we get a palindrome (2104444012).

The spelling of 2001223010 in words is "two billion, one million, two hundred twenty-three thousand, ten".