93522281 has 2 divisors, whose sum is σ = 93522282. Its totient is φ = 93522280.

The previous prime is 93522269. The next prime is 93522283. The reversal of 93522281 is 18222539.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91393600 + 2128681 = 9560^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 93522281 - 2⁶ = 93522217 is a prime.

It is a super-2 number, since 2×93522281² = 17492834086885922, which contains 22 as substring.

Together with 93522283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93522283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46761140 + 46761141.

It is an arithmetic number, because the mean of its divisors is an integer number (46761141).

Almost surely, 2^93522281 is an apocalyptic number.

It is an amenable number.

93522281 is a deficient number, since it is larger than the sum of its proper divisors (1).

93522281 is an equidigital number, since it uses as much as digits as its factorization.

93522281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 93522281 is about 9670.6918573595. The cubic root of 93522281 is about 453.9120340998.

The spelling of 93522281 in words is "ninety-three million, five hundred twenty-two thousand, two hundred eighty-one".