197228849 has 8 divisors (see below), whose sum is σ = 209068128. Its totient is φ = 185416000.

The previous prime is 197228821. The next prime is 197228869. The reversal of 197228849 is 948822791.

197228849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197228849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197228797 and 197228806.

It is not an unprimeable number, because it can be changed into a prime (197228809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9974 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (26133516).

Almost surely, 2^197228849 is an apocalyptic number.

It is an amenable number.

197228849 is a deficient number, since it is larger than the sum of its proper divisors (11839279).

197228849 is a wasteful number, since it uses less digits than its factorization.

197228849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215.

The product of its digits is 580608, while the sum is 50.

The square root of 197228849 is about 14043.8188894617. The cubic root of 197228849 is about 582.0900111922.

The spelling of 197228849 in words is "one hundred ninety-seven million, two hundred twenty-eight thousand, eight hundred forty-nine".