229252684728 has 48 divisors (see below), whose sum is σ = 581090704920. Its totient is φ = 75370703616.

The previous prime is 229252684721. The next prime is 229252684751. The reversal of 229252684728 is 827486252922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229252684721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768351 + ... + 1024142.

Almost surely, 2^229252684728 is an apocalyptic number.

It is an amenable number.

229252684728 is an abundant number, since it is smaller than the sum of its proper divisors (351838020192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229252684728 is a wasteful number, since it uses less digits than its factorization.

229252684728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792648 (or 1792571 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 229252684728 in words is "two hundred twenty-nine billion, two hundred fifty-two million, six hundred eighty-four thousand, seven hundred twenty-eight".