211225199 has 2 divisors, whose sum is σ = 211225200. Its totient is φ = 211225198.

The previous prime is 211225151. The next prime is 211225211. The reversal of 211225199 is 991522112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211225199 - 2²⁰ = 210176623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211225139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105612599 + 105612600.

It is an arithmetic number, because the mean of its divisors is an integer number (105612600).

Almost surely, 2^211225199 is an apocalyptic number.

211225199 is a deficient number, since it is larger than the sum of its proper divisors (1).

211225199 is an equidigital number, since it uses as much as digits as its factorization.

211225199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 32.

The square root of 211225199 is about 14533.5886483690. The cubic root of 211225199 is about 595.5459048426.

The spelling of 211225199 in words is "two hundred eleven million, two hundred twenty-five thousand, one hundred ninety-nine".