224409900 has 144 divisors (see below), whose sum is σ = 762951168. Its totient is φ = 50208000.

The previous prime is 224409883. The next prime is 224409901. The reversal of 224409900 is 9904422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (224409901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40285 + ... + 45515.

It is an arithmetic number, because the mean of its divisors is an integer number (5298272).

Almost surely, 2^224409900 is an apocalyptic number.

224409900 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 224409900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381475584).

224409900 is an abundant number, since it is smaller than the sum of its proper divisors (538541268).

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

224409900 is a wasteful number, since it uses less digits than its factorization.

224409900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 224409900 is about 14980.3170860967. The cubic root of 224409900 is about 607.6880144233.

The spelling of 224409900 in words is "two hundred twenty-four million, four hundred nine thousand, nine hundred".