197226698 has 4 divisors (see below), whose sum is σ = 295840050. Its totient is φ = 98613348.

The previous prime is 197226691. The next prime is 197226703. The reversal of 197226698 is 896622791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196644529 + 582169 = 14023^2 + 763^2 .

It is not an unprimeable number, because it can be changed into a prime (197226691) 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, 49306673 + ... + 49306676.

Almost surely, 2^197226698 is an apocalyptic number.

197226698 is a deficient number, since it is larger than the sum of its proper divisors (98613352).

197226698 is an equidigital number, since it uses as much as digits as its factorization.

197226698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98613351.

The product of its digits is 653184, while the sum is 50.

The square root of 197226698 is about 14043.7423075190. The cubic root of 197226698 is about 582.0878950714.

The spelling of 197226698 in words is "one hundred ninety-seven million, two hundred twenty-six thousand, six hundred ninety-eight".