229521360 has 80 divisors (see below), whose sum is σ = 730774656. Its totient is φ = 59549184.

The previous prime is 229521353. The next prime is 229521361. The reversal of 229521360 is 63125922.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229521361) 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, 4044 + ... + 21803.

Almost surely, 2^229521360 is an apocalyptic number.

229521360 is a gapful number since it is divisible by the number (20) 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 229521360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365387328).

229521360 is an abundant number, since it is smaller than the sum of its proper divisors (501253296).

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

229521360 is a wasteful number, since it uses less digits than its factorization.

229521360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900 (or 25894 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 229521360 is about 15149.9623761909. The cubic root of 229521360 is about 612.2672590672.

The spelling of 229521360 in words is "two hundred twenty-nine million, five hundred twenty-one thousand, three hundred sixty".