93228381 has 8 divisors (see below), whose sum is σ = 138116160. Its totient is φ = 62152236.

The previous prime is 93228379. The next prime is 93228397. The reversal of 93228381 is 18382239.

It is a happy number.

It is not a de Polignac number, because 93228381 - 2¹ = 93228379 is a prime.

It is a super-2 number, since 2×93228381² = 17383062047762322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93228371) 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, 1726425 + ... + 1726478.

It is an arithmetic number, because the mean of its divisors is an integer number (17264520).

Almost surely, 2^93228381 is an apocalyptic number.

It is an amenable number.

93228381 is a deficient number, since it is larger than the sum of its proper divisors (44887779).

93228381 is a wasteful number, since it uses less digits than its factorization.

93228381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452912 (or 3452906 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 93228381 is about 9655.4845036383. The cubic root of 93228381 is about 453.4360522114.

The spelling of 93228381 in words is "ninety-three million, two hundred twenty-eight thousand, three hundred eighty-one".