229543530 has 64 divisors (see below), whose sum is σ = 579529728. Its totient is φ = 58106880.

The previous prime is 229543513. The next prime is 229543553. The reversal of 229543530 is 35345922.

It is a junction number, because it is equal to n+sod(n) for n = 229543491 and 229543500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46962 + ... + 51618.

It is an arithmetic number, because the mean of its divisors is an integer number (9055152).

Almost surely, 2^229543530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229543530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289764864).

229543530 is an abundant number, since it is smaller than the sum of its proper divisors (349986198).

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

229543530 is a wasteful number, since it uses less digits than its factorization.

229543530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 229543530 is about 15150.6940435084. The cubic root of 229543530 is about 612.2869718703.

The spelling of 229543530 in words is "two hundred twenty-nine million, five hundred forty-three thousand, five hundred thirty".