229536516 has 108 divisors (see below), whose sum is σ = 626510864. Its totient is φ = 65345280.

The previous prime is 229536509. The next prime is 229536521. The reversal of 229536516 is 615635922.

229536516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 419355 + ... + 419901.

Almost surely, 2^229536516 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 229536516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313255432).

229536516 is an abundant number, since it is smaller than the sum of its proper divisors (396974348).

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

229536516 is a wasteful number, since it uses less digits than its factorization.

229536516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 580 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 229536516 is about 15150.4625671958. The cubic root of 229536516 is about 612.2807353995.

It can be divided in two parts, 22953651 and 6, that multiplied together give a triangular number (137721906 = T₁₆₅₉₆).

The spelling of 229536516 in words is "two hundred twenty-nine million, five hundred thirty-six thousand, five hundred sixteen".