228897256619147 has 4 divisors (see below), whose sum is σ = 228999579936816. Its totient is φ = 228794933301480.

The previous prime is 228897256619137. The next prime is 228897256619167. The reversal of 228897256619147 is 741916652798822.

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

It is a cyclic number.

It is not a de Polignac number, because 228897256619147 - 2⁴⁰ = 227797744991371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228897256619137) 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, 51161655479 + ... + 51161659952.

It is an arithmetic number, because the mean of its divisors is an integer number (57249894984204).

Almost surely, 2^{228897256619147} is an apocalyptic number.

228897256619147 is a deficient number, since it is larger than the sum of its proper divisors (102323317669).

228897256619147 is a wasteful number, since it uses less digits than its factorization.

228897256619147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102323317668.

The product of its digits is 1463132160, while the sum is 77.

The spelling of 228897256619147 in words is "two hundred twenty-eight trillion, eight hundred ninety-seven billion, two hundred fifty-six million, six hundred nineteen thousand, one hundred forty-seven".