229975220 has 24 divisors (see below), whose sum is σ = 499602600. Its totient is φ = 88817792.

The previous prime is 229975219. The next prime is 229975231. The reversal of 229975220 is 22579922.

229975220 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 4 ways, for example, as 16289296 + 213685924 = 4036^2 + 14618^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197675 + ... + 198834.

It is an arithmetic number, because the mean of its divisors is an integer number (20816775).

Almost surely, 2^229975220 is an apocalyptic number.

229975220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229975220 is an abundant number, since it is smaller than the sum of its proper divisors (269627380).

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

229975220 is a wasteful number, since it uses less digits than its factorization.

229975220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396547 (or 396545 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 229975220 is about 15164.9338936904. The cubic root of 229975220 is about 612.6705630778.

The spelling of 229975220 in words is "two hundred twenty-nine million, nine hundred seventy-five thousand, two hundred twenty".