197942282 has 8 divisors (see below), whose sum is σ = 297196452. Its totient is φ = 98876800.

The previous prime is 197942281. The next prime is 197942299. The reversal of 197942282 is 282249791.

It can be written as a sum of positive squares in 2 ways, for example, as 164891281 + 33051001 = 12841^2 + 5749^2 .

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

It is a super-2 number, since 2×197942282² = 78362294006735048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197942281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44519 + ... + 48762.

Almost surely, 2^197942282 is an apocalyptic number.

197942282 is a deficient number, since it is larger than the sum of its proper divisors (99254170).

197942282 is a wasteful number, since it uses less digits than its factorization.

197942282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94344.

The product of its digits is 145152, while the sum is 44.

The square root of 197942282 is about 14069.1962101607. The cubic root of 197942282 is about 582.7910284749.

The spelling of 197942282 in words is "one hundred ninety-seven million, nine hundred forty-two thousand, two hundred eighty-two".