197439224 has 16 divisors (see below), whose sum is σ = 391975200. Its totient is φ = 92912512.

The previous prime is 197439223. The next prime is 197439239. The reversal of 197439224 is 422934791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197439223) 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, 725744 + ... + 726015.

It is an arithmetic number, because the mean of its divisors is an integer number (24498450).

Almost surely, 2^197439224 is an apocalyptic number.

It is an amenable number.

197439224 is a deficient number, since it is larger than the sum of its proper divisors (194535976).

197439224 is a wasteful number, since it uses less digits than its factorization.

197439224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451782 (or 1451778 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 197439224 is about 14051.3068431374. The cubic root of 197439224 is about 582.2969005877.

The spelling of 197439224 in words is "one hundred ninety-seven million, four hundred thirty-nine thousand, two hundred twenty-four".