2221000203 has 8 divisors (see below), whose sum is σ = 3003042816. Its totient is φ = 1459812200.

The previous prime is 2221000183. The next prime is 2221000213. The reversal of 2221000203 is 3020001222.

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 2221000203 - 2⁸ = 2220999947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221000213) 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, 5213403 + ... + 5213828.

It is an arithmetic number, because the mean of its divisors is an integer number (375380352).

Almost surely, 2^2221000203 is an apocalyptic number.

2221000203 is a deficient number, since it is larger than the sum of its proper divisors (782042613).

2221000203 is a wasteful number, since it uses less digits than its factorization.

2221000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427305.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2221000203 is about 47127.4888255252. The cubic root of 2221000203 is about 1304.7166343543.

Adding to 2221000203 its reverse (3020001222), we get a palindrome (5241001425).

The spelling of 2221000203 in words is "two billion, two hundred twenty-one million, two hundred three", and thus it is an aban number.