229384872 has 160 divisors (see below), whose sum is σ = 699283200. Its totient is φ = 69984000.

The previous prime is 229384871. The next prime is 229384877. The reversal of 229384872 is 278483922.

It is not an unprimeable number, because it can be changed into a prime (229384871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 381372 + ... + 381972.

It is an arithmetic number, because the mean of its divisors is an integer number (4370520).

Almost surely, 2^229384872 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 229384872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349641600).

229384872 is an abundant number, since it is smaller than the sum of its proper divisors (469898328).

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

229384872 is a wasteful number, since it uses less digits than its factorization.

229384872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 656 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 229384872 is about 15145.4571406742. The cubic root of 229384872 is about 612.1458706499.

The spelling of 229384872 in words is "two hundred twenty-nine million, three hundred eighty-four thousand, eight hundred seventy-two".