1228030866 has 12 divisors (see below), whose sum is σ = 2660733582. Its totient is φ = 409343616.

The previous prime is 1228030847. The next prime is 1228030879. The reversal of 1228030866 is 6680308221.

1228030866 is a `hidden beast` number, since 12 + 280 + 308 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 828230841 + 399800025 = 28779^2 + 19995^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1228030866.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34111951 + ... + 34111986.

Almost surely, 2^1228030866 is an apocalyptic number.

1228030866 is an abundant number, since it is smaller than the sum of its proper divisors (1432702716).

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

1228030866 is a wasteful number, since it uses less digits than its factorization.

1228030866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68223945 (or 68223942 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1228030866 is about 35043.2713370199. The cubic root of 1228030866 is about 1070.8691996862.

The spelling of 1228030866 in words is "one billion, two hundred twenty-eight million, thirty thousand, eight hundred sixty-six".