9544221 has 6 divisors (see below), whose sum is σ = 13786110. Its totient is φ = 6362808.

The previous prime is 9544211. The next prime is 9544229. The reversal of 9544221 is 1224459.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 1625625 = 2814^2 + 1275^2 .

It is not a de Polignac number, because 9544221 - 2⁵ = 9544189 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9544229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530226 + ... + 530243.

It is an arithmetic number, because the mean of its divisors is an integer number (2297685).

Almost surely, 2^9544221 is an apocalyptic number.

It is an amenable number.

9544221 is a deficient number, since it is larger than the sum of its proper divisors (4241889).

9544221 is a wasteful number, since it uses less digits than its factorization.

9544221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060475 (or 1060472 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 9544221 is about 3089.3722663350. The cubic root of 9544221 is about 212.1192888049.

The spelling of 9544221 in words is "nine million, five hundred forty-four thousand, two hundred twenty-one".