229840632 has 128 divisors (see below), whose sum is σ = 740275200. Its totient is φ = 64713600.

The previous prime is 229840609. The next prime is 229840657. The reversal of 229840632 is 236048922.

It is a super-2 number, since 2×229840632² = 105653432236318848, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106282 + ... + 108422.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^229840632 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 229840632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370137600).

229840632 is an abundant number, since it is smaller than the sum of its proper divisors (510434568).

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

229840632 is a wasteful number, since it uses less digits than its factorization.

229840632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 229840632 is about 15160.4957702576. The cubic root of 229840632 is about 612.5510223774.

The spelling of 229840632 in words is "two hundred twenty-nine million, eight hundred forty thousand, six hundred thirty-two".