2200002221 has 4 divisors (see below), whose sum is σ = 2214015132. Its totient is φ = 2185989312.

The previous prime is 2200002209. The next prime is 2200002223. The reversal of 2200002221 is 1222000022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222000022 = 2 ⋅611000011.

It can be written as a sum of positive squares in 2 ways, for example, as 1669621321 + 530380900 = 40861^2 + 23030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200002221 - 2¹⁰ = 2200001197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200002223) 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, 7006220 + ... + 7006533.

It is an arithmetic number, because the mean of its divisors is an integer number (553503783).

Almost surely, 2^2200002221 is an apocalyptic number.

It is an amenable number.

2200002221 is a deficient number, since it is larger than the sum of its proper divisors (14012911).

2200002221 is a wasteful number, since it uses less digits than its factorization.

2200002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012910.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2200002221 is about 46904.1812741679. The cubic root of 2200002221 is about 1300.5918845200.

Adding to 2200002221 its reverse (1222000022), we get a palindrome (3422002243).

The spelling of 2200002221 in words is "two billion, two hundred million, two thousand, two hundred twenty-one".