9774228 has 24 divisors (see below), whose sum is σ = 23148832. Its totient is φ = 3209184.

The previous prime is 9774221. The next prime is 9774263. The reversal of 9774228 is 8224779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9774221) 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, 5275 + ... + 6882.

Almost surely, 2^9774228 is an apocalyptic number.

It is an amenable number.

9774228 is an abundant number, since it is smaller than the sum of its proper divisors (13374604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9774228 is a wasteful number, since it uses less digits than its factorization.

9774228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231 (or 12229 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 9774228 is about 3126.3761769819. The cubic root of 9774228 is about 213.8097415173.

The spelling of 9774228 in words is "nine million, seven hundred seventy-four thousand, two hundred twenty-eight".