223626197 has 2 divisors, whose sum is σ = 223626198. Its totient is φ = 223626196.

The previous prime is 223626167. The next prime is 223626199. The reversal of 223626197 is 791626322.

223626197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202521361 + 21104836 = 14231^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 223626197 - 2¹⁰ = 223625173 is a prime.

Together with 223626199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223626197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223626199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111813098 + 111813099.

It is an arithmetic number, because the mean of its divisors is an integer number (111813099).

Almost surely, 2^223626197 is an apocalyptic number.

It is an amenable number.

223626197 is a deficient number, since it is larger than the sum of its proper divisors (1).

223626197 is an equidigital number, since it uses as much as digits as its factorization.

223626197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 223626197 is about 14954.1364511629. The cubic root of 223626197 is about 606.9797830507.

The spelling of 223626197 in words is "two hundred twenty-three million, six hundred twenty-six thousand, one hundred ninety-seven".