2003797221 has 8 divisors (see below), whose sum is σ = 2708328960. Its totient is φ = 1317565152.

The previous prime is 2003797219. The next prime is 2003797273. The reversal of 2003797221 is 1227973002.

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

It is not a de Polignac number, because 2003797221 - 2¹ = 2003797219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003797321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574661 + ... + 4575098.

It is an arithmetic number, because the mean of its divisors is an integer number (338541120).

Almost surely, 2^2003797221 is an apocalyptic number.

It is an amenable number.

2003797221 is a deficient number, since it is larger than the sum of its proper divisors (704531739).

2003797221 is an equidigital number, since it uses as much as digits as its factorization.

2003797221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149835.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 2003797221 is about 44763.7936395029. The cubic root of 2003797221 is about 1260.7179122419.

The spelling of 2003797221 in words is "two billion, three million, seven hundred ninety-seven thousand, two hundred twenty-one".