229320660 has 48 divisors (see below), whose sum is σ = 642773376. Its totient is φ = 61087872.

The previous prime is 229320629. The next prime is 229320683. The reversal of 229320660 is 66023922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91342 + ... + 93818.

It is an arithmetic number, because the mean of its divisors is an integer number (13391112).

Almost surely, 2^229320660 is an apocalyptic number.

229320660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229320660 is an abundant number, since it is smaller than the sum of its proper divisors (413452716).

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

229320660 is a wasteful number, since it uses less digits than its factorization.

229320660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 229320660 is about 15143.3371487265. The cubic root of 229320660 is about 612.0887457275.

The spelling of 229320660 in words is "two hundred twenty-nine million, three hundred twenty thousand, six hundred sixty".