9228240 has 120 divisors (see below), whose sum is σ = 35438208. Its totient is φ = 2108160.

The previous prime is 9228223. The next prime is 9228251. The reversal of 9228240 is 428229.

9228240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4125 + ... + 5955.

Almost surely, 2^9228240 is an apocalyptic number.

9228240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9228240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17719104).

9228240 is an abundant number, since it is smaller than the sum of its proper divisors (26209968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9228240 is a wasteful number, since it uses less digits than its factorization.

9228240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 9228240 is about 3037.8018368551. The cubic root of 9228240 is about 209.7520884001.

The spelling of 9228240 in words is "nine million, two hundred twenty-eight thousand, two hundred forty".