229873220 has 12 divisors (see below), whose sum is σ = 482733804. Its totient is φ = 91949280.

The previous prime is 229873213. The next prime is 229873249. The reversal of 229873220 is 22378922.

It is a happy number.

229873220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 169624576 + 60248644 = 13024^2 + 7762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5746811 + ... + 5746850.

It is an arithmetic number, because the mean of its divisors is an integer number (40227817).

Almost surely, 2^229873220 is an apocalyptic number.

229873220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229873220 is an abundant number, since it is smaller than the sum of its proper divisors (252860584).

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

229873220 is a wasteful number, since it uses less digits than its factorization.

229873220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493670 (or 11493668 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 229873220 is about 15161.5704991271. The cubic root of 229873220 is about 612.5799712324.

The spelling of 229873220 in words is "two hundred twenty-nine million, eight hundred seventy-three thousand, two hundred twenty".