2210199221 has 2 divisors, whose sum is σ = 2210199222. Its totient is φ = 2210199220.

The previous prime is 2210199197. The next prime is 2210199227. The reversal of 2210199221 is 1229910122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2023740196 + 186459025 = 44986^2 + 13655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210199221 - 2¹⁰ = 2210198197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210199227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105099610 + 1105099611.

It is an arithmetic number, because the mean of its divisors is an integer number (1105099611).

Almost surely, 2^2210199221 is an apocalyptic number.

It is an amenable number.

2210199221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210199221 is an equidigital number, since it uses as much as digits as its factorization.

2210199221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2210199221 is about 47012.7559392129. The cubic root of 2210199221 is about 1302.5982003834.

The spelling of 2210199221 in words is "two billion, two hundred ten million, one hundred ninety-nine thousand, two hundred twenty-one".