9228870 has 128 divisors (see below), whose sum is σ = 29721600. Its totient is φ = 1990656.

The previous prime is 9228833. The next prime is 9228881. The reversal of 9228870 is 788229.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35782 + ... + 36038.

It is an arithmetic number, because the mean of its divisors is an integer number (232200).

Almost surely, 2^9228870 is an apocalyptic number.

9228870 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9228870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14860800).

9228870 is an abundant number, since it is smaller than the sum of its proper divisors (20492730).

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

9228870 is a wasteful number, since it uses less digits than its factorization.

9228870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 9228870 is about 3037.9055284850. The cubic root of 9228870 is about 209.7568614594.

The spelling of 9228870 in words is "nine million, two hundred twenty-eight thousand, eight hundred seventy".