93662281 has 4 divisors (see below), whose sum is σ = 96193732. Its totient is φ = 91130832.

The previous prime is 93662237. The next prime is 93662291. The reversal of 93662281 is 18226639.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37711881 + 55950400 = 6141^2 + 7480^2 .

It is a cyclic number.

It is not a de Polignac number, because 93662281 - 2¹¹ = 93660233 is a prime.

It is a super-2 number, since 2×93662281² = 17545245764245922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2531413 = 93662281 / (9 + 3 + 6 + 6 + 2 + 2 + 8 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93662281.

It is not an unprimeable number, because it can be changed into a prime (93662201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265670 + ... + 1265743.

It is an arithmetic number, because the mean of its divisors is an integer number (24048433).

Almost surely, 2^93662281 is an apocalyptic number.

It is an amenable number.

93662281 is a deficient number, since it is larger than the sum of its proper divisors (2531451).

93662281 is a wasteful number, since it uses less digits than its factorization.

93662281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531450.

The product of its digits is 31104, while the sum is 37.

The square root of 93662281 is about 9677.9275157443. The cubic root of 93662281 is about 454.1384186604.

The spelling of 93662281 in words is "ninety-three million, six hundred sixty-two thousand, two hundred eighty-one".