229515552 has 192 divisors, whose sum is σ = 773418240. Its totient is φ = 64862208.

The previous prime is 229515529. The next prime is 229515557. The reversal of 229515552 is 255515922.

229515552 is a `hidden beast` number, since 2 + 2 + 95 + 15 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229515557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828438 + ... + 828714.

It is an arithmetic number, because the mean of its divisors is an integer number (4028220).

Almost surely, 2^229515552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229515552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386709120).

229515552 is an abundant number, since it is smaller than the sum of its proper divisors (543902688).

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

229515552 is a wasteful number, since it uses less digits than its factorization.

229515552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 426 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 229515552 is about 15149.7706913339. The cubic root of 229515552 is about 612.2620945831.

The spelling of 229515552 in words is "two hundred twenty-nine million, five hundred fifteen thousand, five hundred fifty-two".