229982197 has 2 divisors, whose sum is σ = 229982198. Its totient is φ = 229982196.

The previous prime is 229982183. The next prime is 229982201. The reversal of 229982197 is 791289922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212751396 + 17230801 = 14586^2 + 4151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229982197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229982197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229982107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114991098 + 114991099.

It is an arithmetic number, because the mean of its divisors is an integer number (114991099).

Almost surely, 2^229982197 is an apocalyptic number.

It is an amenable number.

229982197 is a deficient number, since it is larger than the sum of its proper divisors (1).

229982197 is an equidigital number, since it uses as much as digits as its factorization.

229982197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The square root of 229982197 is about 15165.1639292162. The cubic root of 229982197 is about 612.6767587587.

The spelling of 229982197 in words is "two hundred twenty-nine million, nine hundred eighty-two thousand, one hundred ninety-seven".