229404672 has 234 divisors, whose sum is σ = 776899968. Its totient is φ = 65028096.

The previous prime is 229404667. The next prime is 229404673. The reversal of 229404672 is 276404922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229404673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1806273 + ... + 1806399.

Almost surely, 2^229404672 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 229404672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388449984).

229404672 is an abundant number, since it is smaller than the sum of its proper divisors (547495296).

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

229404672 is a wasteful number, since it uses less digits than its factorization.

229404672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 229404672 is about 15146.1107879218. The cubic root of 229404672 is about 612.1634831736.

The spelling of 229404672 in words is "two hundred twenty-nine million, four hundred four thousand, six hundred seventy-two".