229302220 has 48 divisors (see below), whose sum is σ = 551190528. Its totient is φ = 78494400.

The previous prime is 229302211. The next prime is 229302223. The reversal of 229302220 is 22203922.

It is a junction number, because it is equal to n+sod(n) for n = 229302191 and 229302200.

It is not an unprimeable number, because it can be changed into a prime (229302223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160429 + ... + 161851.

It is an arithmetic number, because the mean of its divisors is an integer number (11483136).

Almost surely, 2^229302220 is an apocalyptic number.

229302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229302220 is an abundant number, since it is smaller than the sum of its proper divisors (321888308).

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

229302220 is a wasteful number, since it uses less digits than its factorization.

229302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 229302220 is about 15142.7282878615. The cubic root of 229302220 is about 612.0723389793.

The spelling of 229302220 in words is "two hundred twenty-nine million, three hundred two thousand, two hundred twenty".