9094221 has 8 divisors (see below), whose sum is σ = 13472960. Its totient is φ = 6062796.

The previous prime is 9094219. The next prime is 9094229. The reversal of 9094221 is 1224909.

It is not a de Polignac number, because 9094221 - 2¹ = 9094219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 336823 = 9094221 / (9 + 0 + 9 + 4 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9094229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168385 + ... + 168438.

It is an arithmetic number, because the mean of its divisors is an integer number (1684120).

Almost surely, 2^9094221 is an apocalyptic number.

It is an amenable number.

9094221 is a deficient number, since it is larger than the sum of its proper divisors (4378739).

9094221 is a wasteful number, since it uses less digits than its factorization.

9094221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336832 (or 336826 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9094221 is about 3015.6626137551. The cubic root of 9094221 is about 208.7317437750.

The spelling of 9094221 in words is "nine million, ninety-four thousand, two hundred twenty-one".