9225240621 has 16 divisors (see below), whose sum is σ = 13170211200. Its totient is φ = 5723345408.

The previous prime is 9225240571. The next prime is 9225240623. The reversal of 9225240621 is 1260425229.

It is a cyclic number.

It is not a de Polignac number, because 9225240621 - 2¹⁴ = 9225224237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9225240623) 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, 1011681 + ... + 1020758.

It is an arithmetic number, because the mean of its divisors is an integer number (823138200).

Almost surely, 2^9225240621 is an apocalyptic number.

It is an amenable number.

9225240621 is a deficient number, since it is larger than the sum of its proper divisors (3944970579).

9225240621 is a wasteful number, since it uses less digits than its factorization.

9225240621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032548.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 9225240621 is about 96048.1161762166. The cubic root of 9225240621 is about 2097.2936127189.

The spelling of 9225240621 in words is "nine billion, two hundred twenty-five million, two hundred forty thousand, six hundred twenty-one".