2220001003 has 4 divisors (see below), whose sum is σ = 2421819288. Its totient is φ = 2018182720.

The previous prime is 2220000997. The next prime is 2220001013. The reversal of 2220001003 is 3001000222.

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 2220001003 - 2²⁹ = 1683130091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220001013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100909126 + ... + 100909147.

It is an arithmetic number, because the mean of its divisors is an integer number (605454822).

Almost surely, 2^2220001003 is an apocalyptic number.

2220001003 is a deficient number, since it is larger than the sum of its proper divisors (201818285).

2220001003 is a wasteful number, since it uses less digits than its factorization.

2220001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201818284.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2220001003 is about 47116.8866013025. The cubic root of 2220001003 is about 1304.5209464820.

Adding to 2220001003 its reverse (3001000222), we get a palindrome (5221001225).

The spelling of 2220001003 in words is "two billion, two hundred twenty million, one thousand, three".