229239100 has 18 divisors (see below), whose sum is σ = 497449064. Its totient is φ = 91695600.

The previous prime is 229239089. The next prime is 229239107. The reversal of 229239100 is 1932922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229239107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1146096 + ... + 1146295.

Almost surely, 2^229239100 is an apocalyptic number.

229239100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229239100 is an abundant number, since it is smaller than the sum of its proper divisors (268209964).

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

229239100 is a wasteful number, since it uses less digits than its factorization.

229239100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292405 (or 2292398 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 229239100 is about 15140.6439757363. The cubic root of 229239100 is about 612.0161721274.

It can be divided in two parts, 22923 and 9100, that added together give a palindrome (32023).

The spelling of 229239100 in words is "two hundred twenty-nine million, two hundred thirty-nine thousand, one hundred".