229122216 has 64 divisors (see below), whose sum is σ = 669960000. Its totient is φ = 72353088.

The previous prime is 229122169. The next prime is 229122221. The reversal of 229122216 is 612221922.

It is a happy number.

229122216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 229122216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23811 + ... + 32018.

It is an arithmetic number, because the mean of its divisors is an integer number (10468125).

Almost surely, 2^229122216 is an apocalyptic number.

It is an amenable number.

229122216 is an abundant number, since it is smaller than the sum of its proper divisors (440837784).

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

229122216 is a wasteful number, since it uses less digits than its factorization.

229122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55863 (or 55853 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 229122216 is about 15136.7835420871. The cubic root of 229122216 is about 611.9121365596.

The spelling of 229122216 in words is "two hundred twenty-nine million, one hundred twenty-two thousand, two hundred sixteen".