9770228 has 36 divisors (see below), whose sum is σ = 18830700. Its totient is φ = 4432896.

The previous prime is 9770221. The next prime is 9770231. The reversal of 9770228 is 8220779.

It can be written as a sum of positive squares in 6 ways, for example, as 3429904 + 6340324 = 1852^2 + 2518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65498 + ... + 65646.

It is an arithmetic number, because the mean of its divisors is an integer number (523075).

Almost surely, 2^9770228 is an apocalyptic number.

It is an amenable number.

9770228 is a deficient number, since it is larger than the sum of its proper divisors (9060472).

9770228 is a wasteful number, since it uses less digits than its factorization.

9770228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 9770228 is about 3125.7363932360. The cubic root of 9770228 is about 213.7805710752.

The spelling of 9770228 in words is "nine million, seven hundred seventy thousand, two hundred twenty-eight".