228722605867724 has 12 divisors (see below), whose sum is σ = 400293391638504. Its totient is φ = 114353065399584.

The previous prime is 228722605867703. The next prime is 228722605867733. The reversal of 228722605867724 is 427768506227822.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2059321097 + ... + 2059432160.

It is an arithmetic number, because the mean of its divisors is an integer number (33357782636542).

Almost surely, 2^{228722605867724} is an apocalyptic number.

It is an amenable number.

228722605867724 is a deficient number, since it is larger than the sum of its proper divisors (171570785770780).

228722605867724 is a wasteful number, since it uses less digits than its factorization.

228722605867724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118767144 (or 4118767142 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 68.

The spelling of 228722605867724 in words is "two hundred twenty-eight trillion, seven hundred twenty-two billion, six hundred five million, eight hundred sixty-seven thousand, seven hundred twenty-four".