9221371 has 2 divisors, whose sum is σ = 9221372. Its totient is φ = 9221370.

The previous prime is 9221357. The next prime is 9221389. The reversal of 9221371 is 1731229.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9221371 - 2¹¹ = 9219323 is a prime.

It is not a weakly prime, because it can be changed into another prime (9221341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610685 + 4610686.

It is an arithmetic number, because the mean of its divisors is an integer number (4610686).

Almost surely, 2^9221371 is an apocalyptic number.

9221371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9221371 is an equidigital number, since it uses as much as digits as its factorization.

9221371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 9221371 is about 3036.6710391480. The cubic root of 9221371 is about 209.7000327996.

The spelling of 9221371 in words is "nine million, two hundred twenty-one thousand, three hundred seventy-one".