9612788228 has 6 divisors (see below), whose sum is σ = 16822379406. Its totient is φ = 4806394112.

The previous prime is 9612788197. The next prime is 9612788231. The reversal of 9612788228 is 8228872169.

It can be written as a sum of positive squares in only one way, i.e., 7668154624 + 1944633604 = 87568^2 + 44098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9612788228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201598525 + ... + 1201598532.

It is an arithmetic number, because the mean of its divisors is an integer number (2803729901).

Almost surely, 2^9612788228 is an apocalyptic number.

It is an amenable number.

9612788228 is a deficient number, since it is larger than the sum of its proper divisors (7209591178).

9612788228 is a wasteful number, since it uses less digits than its factorization.

9612788228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403197061 (or 2403197059 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 9612788228 is about 98044.8276453174. The cubic root of 9612788228 is about 2126.2604363026.

The spelling of 9612788228 in words is "nine billion, six hundred twelve million, seven hundred eighty-eight thousand, two hundred twenty-eight".