229109400 has 144 divisors (see below), whose sum is σ = 828696960. Its totient is φ = 56390400.

The previous prime is 229109399. The next prime is 229109423. The reversal of 229109400 is 4901922.

It is a super-2 number, since 2×229109400² = 104982234336720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18505 + ... + 28295.

It is an arithmetic number, because the mean of its divisors is an integer number (5754840).

Almost surely, 2^229109400 is an apocalyptic number.

229109400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229109400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414348480).

229109400 is an abundant number, since it is smaller than the sum of its proper divisors (599587560).

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

229109400 is a wasteful number, since it uses less digits than its factorization.

229109400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9814 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 229109400 is about 15136.3601965598. The cubic root of 229109400 is about 611.9007272016.

The spelling of 229109400 in words is "two hundred twenty-nine million, one hundred nine thousand, four hundred".