229072536 has 160 divisors (see below), whose sum is σ = 800110080. Its totient is φ = 59486400.

The previous prime is 229072523. The next prime is 229072541. The reversal of 229072536 is 635270922.

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

It is a self number, because there is not a number n which added to its sum of digits gives 229072536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47601 + ... + 52191.

It is an arithmetic number, because the mean of its divisors is an integer number (5000688).

Almost surely, 2^229072536 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 229072536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400055040).

229072536 is an abundant number, since it is smaller than the sum of its proper divisors (571037544).

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

229072536 is a wasteful number, since it uses less digits than its factorization.

229072536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 229072536 is about 15135.1424175658. The cubic root of 229072536 is about 611.8679069007.

The spelling of 229072536 in words is "two hundred twenty-nine million, seventy-two thousand, five hundred thirty-six".