229471272 has 32 divisors (see below), whose sum is σ = 637420800. Its totient is φ = 76490352.

The previous prime is 229471271. The next prime is 229471273. The reversal of 229471272 is 272174922.

229471272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229471271) and next prime (229471273).

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

It is not an unprimeable number, because it can be changed into a prime (229471271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530968 + ... + 531399.

It is an arithmetic number, because the mean of its divisors is an integer number (19919400).

Almost surely, 2^229471272 is an apocalyptic number.

It is an amenable number.

229471272 is an abundant number, since it is smaller than the sum of its proper divisors (407949528).

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

229471272 is a wasteful number, since it uses less digits than its factorization.

229471272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062382 (or 1062372 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 229471272 is about 15148.3092125821. The cubic root of 229471272 is about 612.2227178626. Note that the first 3 decimals are identical.

The spelling of 229471272 in words is "two hundred twenty-nine million, four hundred seventy-one thousand, two hundred seventy-two".