228575478122 has 4 divisors (see below), whose sum is σ = 342863217186. Its totient is φ = 114287739060.

The previous prime is 228575478119. The next prime is 228575478193. The reversal of 228575478122 is 221874575822.

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

It can be written as a sum of positive squares in only one way, i.e., 211508929801 + 17066548321 = 459901^2 + 130639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57143869529 + ... + 57143869532.

Almost surely, 2^228575478122 is an apocalyptic number.

228575478122 is a deficient number, since it is larger than the sum of its proper divisors (114287739064).

228575478122 is a wasteful number, since it uses less digits than its factorization.

228575478122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114287739063.

The product of its digits is 5017600, while the sum is 53.

The spelling of 228575478122 in words is "two hundred twenty-eight billion, five hundred seventy-five million, four hundred seventy-eight thousand, one hundred twenty-two".