2199852209 has 2 divisors, whose sum is σ = 2199852210. Its totient is φ = 2199852208.

The previous prime is 2199852199. The next prime is 2199852251. The reversal of 2199852209 is 9022589912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1575851809 + 624000400 = 39697^2 + 24980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2199852209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2199852289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099926104 + 1099926105.

It is an arithmetic number, because the mean of its divisors is an integer number (1099926105).

Almost surely, 2^2199852209 is an apocalyptic number.

It is an amenable number.

2199852209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199852209 is an equidigital number, since it uses as much as digits as its factorization.

2199852209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 2199852209 is about 46902.5821144210. The cubic root of 2199852209 is about 1300.5623226067.

The spelling of 2199852209 in words is "two billion, one hundred ninety-nine million, eight hundred fifty-two thousand, two hundred nine".