9101228 has 24 divisors (see below), whose sum is σ = 17310720. Its totient is φ = 4170960.

The previous prime is 9101207. The next prime is 9101231. The reversal of 9101228 is 8221019.

It is a super-2 number, since 2×9101228² = 165664702215968, which contains 22 as substring.

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, 425 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (721280).

Almost surely, 2^9101228 is an apocalyptic number.

It is an amenable number.

9101228 is a deficient number, since it is larger than the sum of its proper divisors (8209492).

9101228 is a wasteful number, since it uses less digits than its factorization.

9101228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3915 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 9101228 is about 3016.8241579515. The cubic root of 9101228 is about 208.7853385379.

The spelling of 9101228 in words is "nine million, one hundred one thousand, two hundred twenty-eight".