197226857852 has 12 divisors (see below), whose sum is σ = 345175878600. Its totient is φ = 98605178256.

The previous prime is 197226857851. The next prime is 197226857873. The reversal of 197226857852 is 258758622791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197226857851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008727 + ... + 2104622.

It is an arithmetic number, because the mean of its divisors is an integer number (28764656550).

Almost surely, 2^197226857852 is an apocalyptic number.

It is an amenable number.

197226857852 is a deficient number, since it is larger than the sum of its proper divisors (147949020748).

197226857852 is a wasteful number, since it uses less digits than its factorization.

197226857852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125340 (or 4125338 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 62.

The spelling of 197226857852 in words is "one hundred ninety-seven billion, two hundred twenty-six million, eight hundred fifty-seven thousand, eight hundred fifty-two".