222000197 has 4 divisors (see below), whose sum is σ = 222714336. Its totient is φ = 221286060.

The previous prime is 222000193. The next prime is 222000217. The reversal of 222000197 is 791000222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222000197 - 2² = 222000193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356603 + ... + 357224.

It is an arithmetic number, because the mean of its divisors is an integer number (55678584).

Almost surely, 2^222000197 is an apocalyptic number.

It is an amenable number.

222000197 is a deficient number, since it is larger than the sum of its proper divisors (714139).

222000197 is an equidigital number, since it uses as much as digits as its factorization.

222000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714138.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 222000197 is about 14899.6710366370. The cubic root of 222000197 is about 605.5050737569.

The spelling of 222000197 in words is "two hundred twenty-two million, one hundred ninety-seven", and thus it is an aban number.