228216621167327 has 4 divisors (see below), whose sum is σ = 245771745872520. Its totient is φ = 210661496462136.

The previous prime is 228216621167321. The next prime is 228216621167333. The reversal of 228216621167327 is 723761126612822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (228216621167321) and next prime (228216621167333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228216621167327 is a prime.

It is a super-2 number, since 2×228216621167327² (a number of 30 digits) 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 (228216621167321) 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, 8777562352577 + ... + 8777562352602.

It is an arithmetic number, because the mean of its divisors is an integer number (61442936468130).

Almost surely, 2^{228216621167327} is an apocalyptic number.

228216621167327 is a deficient number, since it is larger than the sum of its proper divisors (17555124705193).

228216621167327 is a wasteful number, since it uses less digits than its factorization.

228216621167327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555124705192.

The product of its digits is 8128512, while the sum is 56.

The spelling of 228216621167327 in words is "two hundred twenty-eight trillion, two hundred sixteen billion, six hundred twenty-one million, one hundred sixty-seven thousand, three hundred twenty-seven".