9224820 has 96 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 2234880.

The previous prime is 9224819. The next prime is 9224837. The reversal of 9224820 is 284229.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5164 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^9224820 is an apocalyptic number.

9224820 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 9224820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

9224820 is an abundant number, since it is smaller than the sum of its proper divisors (22103820).

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

9224820 is a wasteful number, since it uses less digits than its factorization.

9224820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1574 counting only the distinct ones).

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

The square root of 9224820 is about 3037.2388776650. The cubic root of 9224820 is about 209.7261737158.

The spelling of 9224820 in words is "nine million, two hundred twenty-four thousand, eight hundred twenty".