229372272 has 30 divisors (see below), whose sum is σ = 641924192. Its totient is φ = 76457376.

The previous prime is 229372229. The next prime is 229372301. The reversal of 229372272 is 272273922.

It is a happy number.

It is a super-2 number, since 2×229372272² = 105223278324883968, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 796288 + ... + 796575.

Almost surely, 2^229372272 is an apocalyptic number.

It is an amenable number.

229372272 is an abundant number, since it is smaller than the sum of its proper divisors (412551920).

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

229372272 is a wasteful number, since it uses less digits than its factorization.

229372272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592877 (or 1592868 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 229372272 is about 15145.0411686466. The cubic root of 229372272 is about 612.1346621525.

The spelling of 229372272 in words is "two hundred twenty-nine million, three hundred seventy-two thousand, two hundred seventy-two".