229787712 has 336 divisors, whose sum is σ = 854008960. Its totient is φ = 59304960.

The previous prime is 229787699. The next prime is 229787731. The reversal of 229787712 is 217787922.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1463538 + ... + 1463694.

Almost surely, 2^229787712 is an apocalyptic number.

229787712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229787712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427004480).

229787712 is an abundant number, since it is smaller than the sum of its proper divisors (624221248).

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

229787712 is a wasteful number, since it uses less digits than its factorization.

229787712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 180 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 229787712 is about 15158.7503442731. The cubic root of 229787712 is about 612.5040061934.

It can be divided in two parts, 2297 and 87712, that added together give a palindrome (90009).

The spelling of 229787712 in words is "two hundred twenty-nine million, seven hundred eighty-seven thousand, seven hundred twelve".