229512052 has 48 divisors (see below), whose sum is σ = 502282368. Its totient is φ = 89147520.

The previous prime is 229512037. The next prime is 229512067. The reversal of 229512052 is 250215922.

It is an interprime number because it is at equal distance from previous prime (229512037) and next prime (229512067).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 229512052.

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, 121338 + ... + 123214.

It is an arithmetic number, because the mean of its divisors is an integer number (10464216).

Almost surely, 2^229512052 is an apocalyptic number.

229512052 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 229512052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251141184).

229512052 is an abundant number, since it is smaller than the sum of its proper divisors (272770316).

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

229512052 is a wasteful number, since it uses less digits than its factorization.

229512052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 229512052 is about 15149.6551775940. The cubic root of 229512052 is about 612.2589823347.

Adding to 229512052 its reverse (250215922), we get a palindrome (479727974).

The spelling of 229512052 in words is "two hundred twenty-nine million, five hundred twelve thousand, fifty-two".