228882143566 has 4 divisors (see below), whose sum is σ = 343323215352. Its totient is φ = 114441071782.

The previous prime is 228882143531. The next prime is 228882143603. The reversal of 228882143566 is 665341288822.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57220535890 + ... + 57220535893.

It is an arithmetic number, because the mean of its divisors is an integer number (85830803838).

Almost surely, 2^228882143566 is an apocalyptic number.

228882143566 is a deficient number, since it is larger than the sum of its proper divisors (114441071786).

228882143566 is a wasteful number, since it uses less digits than its factorization.

228882143566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114441071785.

The product of its digits is 8847360, while the sum is 55.

The spelling of 228882143566 in words is "two hundred twenty-eight billion, eight hundred eighty-two million, one hundred forty-three thousand, five hundred sixty-six".