9233220 has 24 divisors (see below), whose sum is σ = 25853184. Its totient is φ = 2462176.

The previous prime is 9233219. The next prime is 9233233. The reversal of 9233220 is 223329.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76884 + ... + 77003.

It is an arithmetic number, because the mean of its divisors is an integer number (1077216).

Almost surely, 2^9233220 is an apocalyptic number.

It is an amenable number.

9233220 is an abundant number, since it is smaller than the sum of its proper divisors (16619964).

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

9233220 is a wasteful number, since it uses less digits than its factorization.

9233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153899 (or 153897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 9233220 is about 3038.6213979369. The cubic root of 9233220 is about 209.7898123705.

Adding to 9233220 its reverse (223329), we get a palindrome (9456549).

It can be divided in two parts, 9233 and 220, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 9233220 in words is "nine million, two hundred thirty-three thousand, two hundred twenty".