9221011 has 2 divisors, whose sum is σ = 9221012. Its totient is φ = 9221010.

The previous prime is 9220969. The next prime is 9221027. The reversal of 9221011 is 1101229.

9221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9221027) can be obtained adding 9221011 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (1101229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9221011 - 2¹⁵ = 9188243 is a prime.

It is not a weakly prime, because it can be changed into another prime (9221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610505 + 4610506.

It is an arithmetic number, because the mean of its divisors is an integer number (4610506).

Almost surely, 2^9221011 is an apocalyptic number.

9221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

9221011 is an equidigital number, since it uses as much as digits as its factorization.

9221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 9221011 is about 3036.6117631334. The cubic root of 9221011 is about 209.6973038853.

The spelling of 9221011 in words is "nine million, two hundred twenty-one thousand, eleven".