9228418 has 4 divisors (see below), whose sum is σ = 13842630. Its totient is φ = 4614208.

The previous prime is 9228397. The next prime is 9228419. The reversal of 9228418 is 8148229.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 2812329 = 2533^2 + 1677^2 .

It is not an unprimeable number, because it can be changed into a prime (9228419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2307103 + ... + 2307106.

Almost surely, 2^9228418 is an apocalyptic number.

9228418 is a deficient number, since it is larger than the sum of its proper divisors (4614212).

9228418 is a wasteful number, since it uses less digits than its factorization.

9228418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614211.

The product of its digits is 9216, while the sum is 34.

The square root of 9228418 is about 3037.8311342140. The cubic root of 9228418 is about 209.7534370008.

The spelling of 9228418 in words is "nine million, two hundred twenty-eight thousand, four hundred eighteen".