9221671 has 4 divisors (see below), whose sum is σ = 9270144. Its totient is φ = 9173200.

The previous prime is 9221659. The next prime is 9221683. The reversal of 9221671 is 1761229.

It is a happy number.

9221671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9221659) and next prime (9221683).

It is a cyclic number.

It is not a de Polignac number, because 9221671 - 2¹⁵ = 9188903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23950 + ... + 24331.

It is an arithmetic number, because the mean of its divisors is an integer number (2317536).

Almost surely, 2^9221671 is an apocalyptic number.

9221671 is a deficient number, since it is larger than the sum of its proper divisors (48473).

9221671 is a wasteful number, since it uses less digits than its factorization.

9221671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48472.

The product of its digits is 1512, while the sum is 28.

The square root of 9221671 is about 3036.7204349429. The cubic root of 9221671 is about 209.7023068406.

The spelling of 9221671 in words is "nine million, two hundred twenty-one thousand, six hundred seventy-one".