109226197 has 2 divisors, whose sum is σ = 109226198. Its totient is φ = 109226196.

The previous prime is 109226153. The next prime is 109226219. The reversal of 109226197 is 791622901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 25796241 = 9134^2 + 5079^2 .

It is a cyclic number.

It is not a de Polignac number, because 109226197 - 2¹⁵ = 109193429 is a prime.

It is a super-2 number, since 2×109226197² = 23860724222165618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109226797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54613098 + 54613099.

It is an arithmetic number, because the mean of its divisors is an integer number (54613099).

Almost surely, 2^109226197 is an apocalyptic number.

It is an amenable number.

109226197 is a deficient number, since it is larger than the sum of its proper divisors (1).

109226197 is an equidigital number, since it uses as much as digits as its factorization.

109226197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 109226197 is about 10451.1337662476. The cubic root of 109226197 is about 478.0158211531.

The spelling of 109226197 in words is "one hundred nine million, two hundred twenty-six thousand, one hundred ninety-seven".