109223197 has 2 divisors, whose sum is σ = 109223198. Its totient is φ = 109223196.

The previous prime is 109223171. The next prime is 109223243. The reversal of 109223197 is 791322901.

It is a happy number.

109223197 is nontrivially palindromic in base 6.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64947481 + 44275716 = 8059^2 + 6654^2 .

It is an emirp because it is prime and its reverse (791322901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109223197 - 2⁷ = 109223069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109223167) 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, 54611598 + 54611599.

It is an arithmetic number, because the mean of its divisors is an integer number (54611599).

Almost surely, 2^109223197 is an apocalyptic number.

It is an amenable number.

109223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

109223197 is an equidigital number, since it uses as much as digits as its factorization.

109223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 109223197 is about 10450.9902401638. The cubic root of 109223197 is about 478.0114447287.

The spelling of 109223197 in words is "one hundred nine million, two hundred twenty-three thousand, one hundred ninety-seven".