197223064 has 8 divisors (see below), whose sum is σ = 369793260. Its totient is φ = 98611528.

The previous prime is 197223049. The next prime is 197223067. The reversal of 197223064 is 460322791.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×197223064³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197223067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12326434 + ... + 12326449.

Almost surely, 2^197223064 is an apocalyptic number.

It is an amenable number.

197223064 is a deficient number, since it is larger than the sum of its proper divisors (172570196).

197223064 is a wasteful number, since it uses less digits than its factorization.

197223064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24652889 (or 24652885 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 197223064 is about 14043.6129254548. The cubic root of 197223064 is about 582.0843199631.

The spelling of 197223064 in words is "one hundred ninety-seven million, two hundred twenty-three thousand, sixty-four".