228544222445823 has 8 divisors (see below), whose sum is σ = 304727106415536. Its totient is φ = 152362076720000.

The previous prime is 228544222445789. The next prime is 228544222445831. The reversal of 228544222445823 is 328544222445822.

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 228544222445823 - 2¹⁰ = 228544222444799 is a prime.

It is a super-2 number, since 2×228544222445823² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228544222445023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183838218 + ... + 185077223.

It is an arithmetic number, because the mean of its divisors is an integer number (38090888301942).

Almost surely, 2^{228544222445823} is an apocalyptic number.

228544222445823 is a deficient number, since it is larger than the sum of its proper divisors (76182883969713).

228544222445823 is a wasteful number, since it uses less digits than its factorization.

228544222445823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369121945.

The product of its digits is 78643200, while the sum is 57.

Subtracting 228544222445823 from its reverse (328544222445822), we obtain a palindrome (99999999999999).

The spelling of 228544222445823 in words is "two hundred twenty-eight trillion, five hundred forty-four billion, two hundred twenty-two million, four hundred forty-five thousand, eight hundred twenty-three".