229786368 has 72 divisors (see below), whose sum is σ = 698949888. Its totient is φ = 65651712.

The previous prime is 229786339. The next prime is 229786369. The reversal of 229786368 is 863687922.

It is a self number, because there is not a number n which added to its sum of digits gives 229786368.

It is not an unprimeable number, because it can be changed into a prime (229786369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15996 + ... + 26747.

Almost surely, 2^229786368 is an apocalyptic number.

229786368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

229786368 is an abundant number, since it is smaller than the sum of its proper divisors (469163520).

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

229786368 is an equidigital number, since it uses as much as digits as its factorization.

229786368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42769 (or 42755 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 229786368 is about 15158.7060133773. The cubic root of 229786368 is about 612.5028120376.

The spelling of 229786368 in words is "two hundred twenty-nine million, seven hundred eighty-six thousand, three hundred sixty-eight".