1228199066 has 8 divisors (see below), whose sum is σ = 1845407124. Its totient is φ = 613063360.

The previous prime is 1228199041. The next prime is 1228199069. The reversal of 1228199066 is 6609918221.

It can be written as a sum of positive squares in 2 ways, for example, as 1106560225 + 121638841 = 33265^2 + 11029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1228199069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516605 + ... + 518976.

Almost surely, 2^1228199066 is an apocalyptic number.

1228199066 is a deficient number, since it is larger than the sum of its proper divisors (617208058).

1228199066 is a wasteful number, since it uses less digits than its factorization.

1228199066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036176.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1228199066 is about 35045.6711449503. The cubic root of 1228199066 is about 1070.9180887876.

The spelling of 1228199066 in words is "one billion, two hundred twenty-eight million, one hundred ninety-nine thousand, sixty-six".