197007229 has 2 divisors, whose sum is σ = 197007230. Its totient is φ = 197007228.

The previous prime is 197007197. The next prime is 197007241. The reversal of 197007229 is 922700791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191822500 + 5184729 = 13850^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 197007229 - 2⁵ = 197007197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197007329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98503614 + 98503615.

It is an arithmetic number, because the mean of its divisors is an integer number (98503615).

Almost surely, 2^197007229 is an apocalyptic number.

It is an amenable number.

197007229 is a deficient number, since it is larger than the sum of its proper divisors (1).

197007229 is an equidigital number, since it uses as much as digits as its factorization.

197007229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 197007229 is about 14035.9263677179. The cubic root of 197007229 is about 581.8719039224.

The spelling of 197007229 in words is "one hundred ninety-seven million, seven thousand, two hundred twenty-nine".