9228225 has 24 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 4849600.

The previous prime is 9228223. The next prime is 9228251. The reversal of 9228225 is 5228229.

9228225 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9228225 - 2¹ = 9228223 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9228192 and 9228201.

It is not an unprimeable number, because it can be changed into a prime (9228223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (645048).

Almost surely, 2^9228225 is an apocalyptic number.

It is an amenable number.

9228225 is a deficient number, since it is larger than the sum of its proper divisors (6252927).

9228225 is a wasteful number, since it uses less digits than its factorization.

9228225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1812 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 9228225 is about 3037.7993679636. The cubic root of 9228225 is about 209.7519747532.

It can be divided in two parts, 9228 and 225, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 9228225 in words is "nine million, two hundred twenty-eight thousand, two hundred twenty-five".