1228182069 has 8 divisors (see below), whose sum is σ = 1660640832. Its totient is φ = 807255680.

The previous prime is 1228182061. The next prime is 1228182071. The reversal of 1228182069 is 9602818221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228182069 - 2³ = 1228182061 is a prime.

It is a super-2 number, since 2×1228182069² = 3016862389226241522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228182061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882844 + ... + 2883269.

It is an arithmetic number, because the mean of its divisors is an integer number (207580104).

Almost surely, 2^1228182069 is an apocalyptic number.

It is an amenable number.

1228182069 is a deficient number, since it is larger than the sum of its proper divisors (432458763).

1228182069 is an equidigital number, since it uses as much as digits as its factorization.

1228182069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766187.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1228182069 is about 35045.4286462586. The cubic root of 1228182069 is about 1070.9131486333.

The spelling of 1228182069 in words is "one billion, two hundred twenty-eight million, one hundred eighty-two thousand, sixty-nine".