228122543 has 8 divisors (see below), whose sum is σ = 249664896. Its totient is φ = 206714200.

The previous prime is 228122513. The next prime is 228122581. The reversal of 228122543 is 345221822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228122543 - 2¹⁰ = 228121519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228122513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29921 + ... + 36762.

It is an arithmetic number, because the mean of its divisors is an integer number (31208112).

Almost surely, 2^228122543 is an apocalyptic number.

228122543 is a deficient number, since it is larger than the sum of its proper divisors (21542353).

228122543 is a wasteful number, since it uses less digits than its factorization.

228122543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67005.

The product of its digits is 7680, while the sum is 29.

The square root of 228122543 is about 15103.7261296675. The cubic root of 228122543 is about 611.0209035469.

The spelling of 228122543 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, five hundred forty-three".