229980972 has 72 divisors (see below), whose sum is σ = 593015248. Its totient is φ = 68958720.

The previous prime is 229980911. The next prime is 229980973. The reversal of 229980972 is 279089922.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (229980973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261798 + ... + 262674.

Almost surely, 2^229980972 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 229980972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296507624).

229980972 is an abundant number, since it is smaller than the sum of its proper divisors (363034276).

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

229980972 is a wasteful number, since it uses less digits than its factorization.

229980972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 229980972 is about 15165.1235405453. The cubic root of 229980972 is about 612.6756709494.

The spelling of 229980972 in words is "two hundred twenty-nine million, nine hundred eighty thousand, nine hundred seventy-two".