97221070 has 8 divisors (see below), whose sum is σ = 174997944. Its totient is φ = 38888424.

The previous prime is 97221041. The next prime is 97221071. The reversal of 97221070 is 7012279.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4861044 + ... + 4861063.

It is an arithmetic number, because the mean of its divisors is an integer number (21874743).

Almost surely, 2^97221070 is an apocalyptic number.

97221070 is a deficient number, since it is larger than the sum of its proper divisors (77776874).

97221070 is a wasteful number, since it uses less digits than its factorization.

97221070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722114.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 97221070 is about 9860.0745433288. The cubic root of 97221070 is about 459.8188795456.

The spelling of 97221070 in words is "ninety-seven million, two hundred twenty-one thousand, seventy".