197242216 has 16 divisors (see below), whose sum is σ = 371875140. Its totient is φ = 98075520.

The previous prime is 197242187. The next prime is 197242229. The reversal of 197242216 is 612242791.

197242216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194714116 + 2528100 = 13954^2 + 1590^2 .

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, 66661 + ... + 69556.

Almost surely, 2^197242216 is an apocalyptic number.

It is an amenable number.

197242216 is a deficient number, since it is larger than the sum of its proper divisors (174632924).

197242216 is a wasteful number, since it uses less digits than its factorization.

197242216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136404 (or 136400 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 197242216 is about 14044.2947847160. The cubic root of 197242216 is about 582.1031610964.

The spelling of 197242216 in words is "one hundred ninety-seven million, two hundred forty-two thousand, two hundred sixteen".