228247025681667 has 4 divisors (see below), whose sum is σ = 304329367575560. Its totient is φ = 152164683787776.

The previous prime is 228247025681657. The next prime is 228247025681671. The reversal of 228247025681667 is 766186520742822.

It is a happy number.

228247025681667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 228247025681667 - 2¹¹ = 228247025679619 is a prime.

It is a super-3 number, since 3×228247025681667³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228247025681598 and 228247025681607.

It is not an unprimeable number, because it can be changed into a prime (228247025681657) 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, 38041170946942 + ... + 38041170946947.

It is an arithmetic number, because the mean of its divisors is an integer number (76082341893890).

Almost surely, 2^{228247025681667} is an apocalyptic number.

228247025681667 is a deficient number, since it is larger than the sum of its proper divisors (76082341893893).

228247025681667 is an equidigital number, since it uses as much as digits as its factorization.

228247025681667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76082341893892.

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 228247025681667 in words is "two hundred twenty-eight trillion, two hundred forty-seven billion, twenty-five million, six hundred eighty-one thousand, six hundred sixty-seven".