229911980 has 12 divisors (see below), whose sum is σ = 482815200. Its totient is φ = 91964784.

The previous prime is 229911973. The next prime is 229912003. The reversal of 229911980 is 89119922.

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, 5747780 + ... + 5747819.

It is an arithmetic number, because the mean of its divisors is an integer number (40234600).

Almost surely, 2^229911980 is an apocalyptic number.

229911980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229911980 is an abundant number, since it is smaller than the sum of its proper divisors (252903220).

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

229911980 is a wasteful number, since it uses less digits than its factorization.

229911980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495608 (or 11495606 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 229911980 is about 15162.8486769472. The cubic root of 229911980 is about 612.6143992899.

The spelling of 229911980 in words is "two hundred twenty-nine million, nine hundred eleven thousand, nine hundred eighty".