228322117 has 8 divisors (see below), whose sum is σ = 231322112. Its totient is φ = 225342000.

The previous prime is 228322091. The next prime is 228322123. The reversal of 228322117 is 711223822.

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 228322117 - 2²³ = 219933509 is a prime.

It is a super-2 number, since 2×228322117² = 104261978222723378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228322147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18892 + ... + 28522.

It is an arithmetic number, because the mean of its divisors is an integer number (28915264).

Almost surely, 2^228322117 is an apocalyptic number.

It is an amenable number.

228322117 is a deficient number, since it is larger than the sum of its proper divisors (2999995).

228322117 is a wasteful number, since it uses less digits than its factorization.

228322117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939.

The product of its digits is 2688, while the sum is 28.

The square root of 228322117 is about 15110.3314655900. The cubic root of 228322117 is about 611.1990363761.

Adding to 228322117 its reverse (711223822), we get a palindrome (939545939).

The spelling of 228322117 in words is "two hundred twenty-eight million, three hundred twenty-two thousand, one hundred seventeen".