197102266 has 8 divisors (see below), whose sum is σ = 297638100. Its totient is φ = 97889568.

The previous prime is 197102237. The next prime is 197102291. The reversal of 197102266 is 662201791.

It can be written as a sum of positive squares in 2 ways, for example, as 145564225 + 51538041 = 12065^2 + 7179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330411 + ... + 331006.

Almost surely, 2^197102266 is an apocalyptic number.

197102266 is a deficient number, since it is larger than the sum of its proper divisors (100535834).

197102266 is a wasteful number, since it uses less digits than its factorization.

197102266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661568.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 197102266 is about 14039.3114503525. The cubic root of 197102266 is about 581.9654545848.

The spelling of 197102266 in words is "one hundred ninety-seven million, one hundred two thousand, two hundred sixty-six".