229927992 has 256 divisors, whose sum is σ = 746496000. Its totient is φ = 58705920.

The previous prime is 229927981. The next prime is 229928021. The reversal of 229927992 is 299729922.

229927992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4338238 + ... + 4338290.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^229927992 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 229927992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373248000).

229927992 is an abundant number, since it is smaller than the sum of its proper divisors (516568008).

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

229927992 is a wasteful number, since it uses less digits than its factorization.

229927992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 113 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 229927992 is about 15163.3766688030. The cubic root of 229927992 is about 612.6286206078.

The spelling of 229927992 in words is "two hundred twenty-nine million, nine hundred twenty-seven thousand, nine hundred ninety-two".