122202191 has 2 divisors, whose sum is σ = 122202192. Its totient is φ = 122202190.

The previous prime is 122202169. The next prime is 122202193. The reversal of 122202191 is 191202221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122202191 - 2¹⁴ = 122185807 is a prime.

Together with 122202193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101095 + 61101096.

It is an arithmetic number, because the mean of its divisors is an integer number (61101096).

Almost surely, 2^122202191 is an apocalyptic number.

122202191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202191 is an equidigital number, since it uses as much as digits as its factorization.

122202191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 122202191 is about 11054.5099846171. The cubic root of 122202191 is about 496.2414047201.

The spelling of 122202191 in words is "one hundred twenty-two million, two hundred two thousand, one hundred ninety-one".