9625221 has 12 divisors (see below), whose sum is σ = 14352000. Its totient is φ = 6209640.

The previous prime is 9625207. The next prime is 9625237. The reversal of 9625221 is 1225269.

9625221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9625221 - 2¹⁸ = 9363077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9625241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16971 + ... + 17528.

It is an arithmetic number, because the mean of its divisors is an integer number (1196000).

Almost surely, 2^9625221 is an apocalyptic number.

It is an amenable number.

9625221 is a deficient number, since it is larger than the sum of its proper divisors (4726779).

9625221 is a wasteful number, since it uses less digits than its factorization.

9625221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34536 (or 34533 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 9625221 is about 3102.4540286683. The cubic root of 9625221 is about 212.7176713037.

The spelling of 9625221 in words is "nine million, six hundred twenty-five thousand, two hundred twenty-one".