93221641 has 2 divisors, whose sum is σ = 93221642. Its totient is φ = 93221640.

The previous prime is 93221621. The next prime is 93221663. The reversal of 93221641 is 14612239.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 32319225 = 7804^2 + 5685^2 .

It is a cyclic number.

It is not a de Polignac number, because 93221641 - 2⁹ = 93221129 is a prime.

It is equal to p_5392720 and since 93221641 and 5392720 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (93221621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46610820 + 46610821.

It is an arithmetic number, because the mean of its divisors is an integer number (46610821).

Almost surely, 2^93221641 is an apocalyptic number.

It is an amenable number.

93221641 is a deficient number, since it is larger than the sum of its proper divisors (1).

93221641 is an equidigital number, since it uses as much as digits as its factorization.

93221641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 93221641 is about 9655.1354728973. The cubic root of 93221641 is about 453.4251248071.

The spelling of 93221641 in words is "ninety-three million, two hundred twenty-one thousand, six hundred forty-one".