229720324 has 12 divisors (see below), whose sum is σ = 402301900. Its totient is φ = 114776928.

The previous prime is 229720307. The next prime is 229720363. The reversal of 229720324 is 423027922.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 221414400 = 2882^2 + 14880^2 .

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, 14379 + ... + 25810.

Almost surely, 2^229720324 is an apocalyptic number.

It is an amenable number.

229720324 is a deficient number, since it is larger than the sum of its proper divisors (172581576).

229720324 is a wasteful number, since it uses less digits than its factorization.

229720324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622 (or 41620 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 229720324 is about 15156.5274386978. The cubic root of 229720324 is about 612.4441256264. Note that the first 3 decimals are identical.

The spelling of 229720324 in words is "two hundred twenty-nine million, seven hundred twenty thousand, three hundred twenty-four".