2001223049 has 8 divisors (see below), whose sum is σ = 2289560448. Its totient is φ = 1713497760.

The previous prime is 2001222991. The next prime is 2001223057. The reversal of 2001223049 is 9403221002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001223049 - 2²⁴ = 1984445833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2001223069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145997 + ... + 159114.

It is an arithmetic number, because the mean of its divisors is an integer number (286195056).

Almost surely, 2^2001223049 is an apocalyptic number.

It is an amenable number.

2001223049 is a deficient number, since it is larger than the sum of its proper divisors (288337399).

2001223049 is an equidigital number, since it uses as much as digits as its factorization.

2001223049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306055.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2001223049 is about 44735.0315636415. The cubic root of 2001223049 is about 1260.1778217579.

The spelling of 2001223049 in words is "two billion, one million, two hundred twenty-three thousand, forty-nine".