93218881 has 8 divisors (see below), whose sum is σ = 106624064. Its totient is φ = 79835760.

The previous prime is 93218869. The next prime is 93218893. The reversal of 93218881 is 18881239.

It is an interprime number because it is at equal distance from previous prime (93218869) and next prime (93218893).

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 93218881 - 2⁹ = 93218369 is a prime.

It is a super-2 number, since 2×93218881² = 17379519549784322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93218831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4846 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (13328008).

Almost surely, 2^93218881 is an apocalyptic number.

It is an amenable number.

93218881 is a deficient number, since it is larger than the sum of its proper divisors (13405183).

93218881 is a wasteful number, since it uses less digits than its factorization.

93218881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031.

The product of its digits is 27648, while the sum is 40.

The square root of 93218881 is about 9654.9925427211. The cubic root of 93218881 is about 453.4206499316.

The spelling of 93218881 in words is "ninety-three million, two hundred eighteen thousand, eight hundred eighty-one".