97228681 has 8 divisors (see below), whose sum is σ = 111650400. Its totient is φ = 83737440.

The previous prime is 97228667. The next prime is 97228699. The reversal of 97228681 is 18682279.

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

It is a cyclic number.

It is not a de Polignac number, because 97228681 - 2¹³ = 97220489 is a prime.

It is a super-2 number, since 2×97228681² = 18906832817999522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97228631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232396 + ... + 232813.

It is an arithmetic number, because the mean of its divisors is an integer number (13956300).

Almost surely, 2^97228681 is an apocalyptic number.

It is an amenable number.

97228681 is a deficient number, since it is larger than the sum of its proper divisors (14421719).

97228681 is a wasteful number, since it uses less digits than its factorization.

97228681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465239.

The product of its digits is 96768, while the sum is 43.

The square root of 97228681 is about 9860.4604862045. The cubic root of 97228681 is about 459.8308782827.

The spelling of 97228681 in words is "ninety-seven million, two hundred twenty-eight thousand, six hundred eighty-one".