9225621 has 12 divisors (see below), whose sum is σ = 14027520. Its totient is φ = 5826600.

The previous prime is 9225613. The next prime is 9225649. The reversal of 9225621 is 1265229.

It is not a de Polignac number, because 9225621 - 2³ = 9225613 is a prime.

It is a super-2 number, since 2×9225621² = 170224165671282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9225221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26805 + ... + 27146.

It is an arithmetic number, because the mean of its divisors is an integer number (1168960).

Almost surely, 2^9225621 is an apocalyptic number.

It is an amenable number.

9225621 is a deficient number, since it is larger than the sum of its proper divisors (4801899).

9225621 is a wasteful number, since it uses less digits than its factorization.

9225621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53976 (or 53973 counting only the distinct ones).

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

The square root of 9225621 is about 3037.3707379903. The cubic root of 9225621 is about 209.7322437820.

The spelling of 9225621 in words is "nine million, two hundred twenty-five thousand, six hundred twenty-one".