9149228 has 24 divisors (see below), whose sum is σ = 17554320. Its totient is φ = 4137920.

The previous prime is 9149221. The next prime is 9149233. The reversal of 9149228 is 8229419.

9149228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11450 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (731430).

Almost surely, 2^9149228 is an apocalyptic number.

It is an amenable number.

9149228 is a deficient number, since it is larger than the sum of its proper divisors (8405092).

9149228 is a wasteful number, since it uses less digits than its factorization.

9149228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1055 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 9149228 is about 3024.7690820954. The cubic root of 9149228 is about 209.1517407239.

The spelling of 9149228 in words is "nine million, one hundred forty-nine thousand, two hundred twenty-eight".