229197907 has 2 divisors, whose sum is σ = 229197908. Its totient is φ = 229197906.

The previous prime is 229197853. The next prime is 229197919. The reversal of 229197907 is 709791922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229197907 - 2¹⁹ = 228673619 is a prime.

It is not a weakly prime, because it can be changed into another prime (229197937) 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, 114598953 + 114598954.

It is an arithmetic number, because the mean of its divisors is an integer number (114598954).

Almost surely, 2^229197907 is an apocalyptic number.

229197907 is a deficient number, since it is larger than the sum of its proper divisors (1).

229197907 is an equidigital number, since it uses as much as digits as its factorization.

229197907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 229197907 is about 15139.2835695749. The cubic root of 229197907 is about 611.9795112895.

The spelling of 229197907 in words is "two hundred twenty-nine million, one hundred ninety-seven thousand, nine hundred seven".