229081347528 has 512 divisors, whose sum is σ = 711619706880. Its totient is φ = 60622848000.

The previous prime is 229081347503. The next prime is 229081347529. The reversal of 229081347528 is 825743180922.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (229081347529) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 346567518 + ... + 346568178.

It is an arithmetic number, because the mean of its divisors is an integer number (1389882240).

Almost surely, 2^229081347528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229081347528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355809853440).

229081347528 is an abundant number, since it is smaller than the sum of its proper divisors (482538359352).

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

229081347528 is a wasteful number, since it uses less digits than its factorization.

229081347528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 229081347528 in words is "two hundred twenty-nine billion, eighty-one million, three hundred forty-seven thousand, five hundred twenty-eight".