229771756628 has 24 divisors (see below), whose sum is σ = 427140407232. Its totient is φ = 107775667584.

The previous prime is 229771756553. The next prime is 229771756661. The reversal of 229771756628 is 826657177922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5482376 + ... + 5524127.

It is an arithmetic number, because the mean of its divisors is an integer number (17797516968).

Almost surely, 2^229771756628 is an apocalyptic number.

It is an amenable number.

229771756628 is a deficient number, since it is larger than the sum of its proper divisors (197368650604).

229771756628 is a wasteful number, since it uses less digits than its factorization.

229771756628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006831 (or 11006829 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 62.

The spelling of 229771756628 in words is "two hundred twenty-nine billion, seven hundred seventy-one million, seven hundred fifty-six thousand, six hundred twenty-eight".