99922241 has 2 divisors, whose sum is σ = 99922242. Its totient is φ = 99922240.

The previous prime is 99922219. The next prime is 99922247. The reversal of 99922241 is 14222999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90801841 + 9120400 = 9529^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 99922241 - 2¹⁸ = 99660097 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99922195 and 99922204.

It is not a weakly prime, because it can be changed into another prime (99922247) 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, 49961120 + 49961121.

It is an arithmetic number, because the mean of its divisors is an integer number (49961121).

Almost surely, 2^99922241 is an apocalyptic number.

It is an amenable number.

99922241 is a deficient number, since it is larger than the sum of its proper divisors (1).

99922241 is an equidigital number, since it uses as much as digits as its factorization.

99922241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 99922241 is about 9996.1112938982. Note that the first 3 decimals coincide. The cubic root of 99922241 is about 464.0385437289.

The spelling of 99922241 in words is "ninety-nine million, nine hundred twenty-two thousand, two hundred forty-one".