1228199067 has 12 divisors (see below), whose sum is σ = 1815323224. Its totient is φ = 799757280.

The previous prime is 1228199041. The next prime is 1228199069. The reversal of 1228199067 is 7609918221.

It is not a de Polignac number, because 1228199067 - 2⁶ = 1228199003 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 1586434 + ... + 1587207.

Almost surely, 2^1228199067 is an apocalyptic number.

1228199067 is a deficient number, since it is larger than the sum of its proper divisors (587124157).

1228199067 is a wasteful number, since it uses less digits than its factorization.

1228199067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173690 (or 3173687 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1228199067 is about 35045.6711592174. The cubic root of 1228199067 is about 1070.9180890783.

The spelling of 1228199067 in words is "one billion, two hundred twenty-eight million, one hundred ninety-nine thousand, sixty-seven".