93722261 has 2 divisors, whose sum is σ = 93722262. Its totient is φ = 93722260.

The previous prime is 93722257. The next prime is 93722281. The reversal of 93722261 is 16222739.

It is a happy number.

93722261 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 34586161 = 7690^2 + 5881^2 .

It is a cyclic number.

It is not a de Polignac number, because 93722261 - 2² = 93722257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93722281) 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, 46861130 + 46861131.

It is an arithmetic number, because the mean of its divisors is an integer number (46861131).

Almost surely, 2^93722261 is an apocalyptic number.

It is an amenable number.

93722261 is a deficient number, since it is larger than the sum of its proper divisors (1).

93722261 is an equidigital number, since it uses as much as digits as its factorization.

93722261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 93722261 is about 9681.0258237441. The cubic root of 93722261 is about 454.2353392478.

The spelling of 93722261 in words is "ninety-three million, seven hundred twenty-two thousand, two hundred sixty-one".