228197869153 has 4 divisors (see below), whose sum is σ = 228819662080. Its totient is φ = 227576076228.

The previous prime is 228197869121. The next prime is 228197869187. The reversal of 228197869153 is 351968791822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228197869153 - 2⁵ = 228197869121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228197869091 and 228197869100.

It is not an unprimeable number, because it can be changed into a prime (228197869453) 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 3 ways as a sum of consecutive naturals, for example, 310895913 + ... + 310896646.

It is an arithmetic number, because the mean of its divisors is an integer number (57204915520).

Almost surely, 2^228197869153 is an apocalyptic number.

It is an amenable number.

228197869153 is a deficient number, since it is larger than the sum of its proper divisors (621792927).

228197869153 is an equidigital number, since it uses as much as digits as its factorization.

228197869153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621792926.

The product of its digits is 13063680, while the sum is 61.

The spelling of 228197869153 in words is "two hundred twenty-eight billion, one hundred ninety-seven million, eight hundred sixty-nine thousand, one hundred fifty-three".