228664013675 has 6 divisors (see below), whose sum is σ = 283543376988. Its totient is φ = 182931210920.

The previous prime is 228664013671. The next prime is 228664013687. The reversal of 228664013675 is 576310466822.

It is a happy number.

It is not a de Polignac number, because 228664013675 - 2² = 228664013671 is a prime.

It is a super-2 number, since 2×228664013675² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228664013671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4573280249 + ... + 4573280298.

It is an arithmetic number, because the mean of its divisors is an integer number (47257229498).

Almost surely, 2^228664013675 is an apocalyptic number.

228664013675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228664013675 is a deficient number, since it is larger than the sum of its proper divisors (54879363313).

228664013675 is an equidigital number, since it uses as much as digits as its factorization.

228664013675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146560557 (or 9146560552 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 228664013675 in words is "two hundred twenty-eight billion, six hundred sixty-four million, thirteen thousand, six hundred seventy-five".