9052221 has 8 divisors (see below), whose sum is σ = 12093120. Its totient is φ = 6023072.

The previous prime is 9052207. The next prime is 9052223. The reversal of 9052221 is 1222509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9052221 - 2¹³ = 9044029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9052223) 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, 945 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (1511640).

Almost surely, 2^9052221 is an apocalyptic number.

It is an amenable number.

9052221 is a deficient number, since it is larger than the sum of its proper divisors (3040899).

9052221 is a wasteful number, since it uses less digits than its factorization.

9052221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 9052221 is about 3008.6909113433. The cubic root of 9052221 is about 208.4099180124.

The spelling of 9052221 in words is "nine million, fifty-two thousand, two hundred twenty-one".