229589136 has 120 divisors (see below), whose sum is σ = 738167040. Its totient is φ = 65253888.

The previous prime is 229589123. The next prime is 229589147. The reversal of 229589136 is 631985922.

It is a super-2 number, since 2×229589136² = 105422342738452992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 229589091 and 229589100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240436 + ... + 241388.

It is an arithmetic number, because the mean of its divisors is an integer number (6151392).

Almost surely, 2^229589136 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 229589136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369083520).

229589136 is an abundant number, since it is smaller than the sum of its proper divisors (508577904).

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

229589136 is a wasteful number, since it uses less digits than its factorization.

229589136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1204 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 229589136 is about 15152.1990483230. The cubic root of 229589136 is about 612.3275191694.

The spelling of 229589136 in words is "two hundred twenty-nine million, five hundred eighty-nine thousand, one hundred thirty-six".