9218228129 has 8 divisors (see below), whose sum is σ = 10197887040. Its totient is φ = 8262175600.

The previous prime is 9218228113. The next prime is 9218228177.

9218228129 is nontrivially palindromic in base 10.

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 9218228129 - 2⁴ = 9218228113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9218228129.

It is not an unprimeable number, because it can be changed into a prime (9218228429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900774 + ... + 5902335.

It is an arithmetic number, because the mean of its divisors is an integer number (1274735880).

Almost surely, 2^9218228129 is an apocalyptic number.

It is an amenable number.

9218228129 is a deficient number, since it is larger than the sum of its proper divisors (979658911).

9218228129 is a wasteful number, since it uses less digits than its factorization.

9218228129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803191.

The product of its digits is 82944, while the sum is 44.

The square root of 9218228129 is about 96011.6041372083. The cubic root of 9218228129 is about 2096.7620644232.

The spelling of 9218228129 in words is "nine billion, two hundred eighteen million, two hundred twenty-eight thousand, one hundred twenty-nine".