9340221 has 16 divisors (see below), whose sum is σ = 13639680. Its totient is φ = 5638320.

The previous prime is 9340213. The next prime is 9340273. The reversal of 9340221 is 1220439.

9340221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9340221 - 2³ = 9340213 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9340211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12270 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (852480).

Almost surely, 2^9340221 is an apocalyptic number.

It is an amenable number.

9340221 is a deficient number, since it is larger than the sum of its proper divisors (4299459).

9340221 is a wasteful number, since it uses less digits than its factorization.

9340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 9340221 is about 3056.1775144778. The cubic root of 9340221 is about 210.5970988292.

The spelling of 9340221 in words is "nine million, three hundred forty thousand, two hundred twenty-one".