2202120209 has 8 divisors (see below), whose sum is σ = 2256539040. Its totient is φ = 2147735200.

The previous prime is 2202120203. The next prime is 2202120223. The reversal of 2202120209 is 9020212022.

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 2202120209 - 2²⁰ = 2201071633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202120203) 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, 168314 + ... + 180924.

It is an arithmetic number, because the mean of its divisors is an integer number (282067380).

Almost surely, 2^2202120209 is an apocalyptic number.

It is an amenable number.

2202120209 is a deficient number, since it is larger than the sum of its proper divisors (54418831).

2202120209 is a wasteful number, since it uses less digits than its factorization.

2202120209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2202120209 is about 46926.7536592933. The cubic root of 2202120209 is about 1301.0091196282.

The spelling of 2202120209 in words is "two billion, two hundred two million, one hundred twenty thousand, two hundred nine".