97223618 has 8 divisors (see below), whose sum is σ = 147126348. Its totient is φ = 48181504.

The previous prime is 97223611. The next prime is 97223699. The reversal of 97223618 is 81632279.

It can be written as a sum of positive squares in 2 ways, for example, as 62141689 + 35081929 = 7883^2 + 5923^2 .

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

It is not an unprimeable number, because it can be changed into a prime (97223611) 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, 214871 + ... + 215322.

Almost surely, 2^97223618 is an apocalyptic number.

97223618 is a deficient number, since it is larger than the sum of its proper divisors (49902730).

97223618 is a wasteful number, since it uses less digits than its factorization.

97223618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430308.

The product of its digits is 36288, while the sum is 38.

The square root of 97223618 is about 9860.2037504303. The cubic root of 97223618 is about 459.8228965359.

The spelling of 97223618 in words is "ninety-seven million, two hundred twenty-three thousand, six hundred eighteen".