224212044 has 72 divisors (see below), whose sum is σ = 610821120. Its totient is φ = 63824544.

The previous prime is 224212013. The next prime is 224212049. The reversal of 224212044 is 440212422.

224212044 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 224212044.

It is not an unprimeable number, because it can be changed into a prime (224212049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215277 + ... + 216315.

Almost surely, 2^224212044 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 224212044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305410560).

224212044 is an abundant number, since it is smaller than the sum of its proper divisors (386609076).

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

224212044 is a wasteful number, since it uses less digits than its factorization.

224212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 224212044 is about 14973.7117642888. The cubic root of 224212044 is about 607.5093680074.

Adding to 224212044 its reverse (440212422), we get a palindrome (664424466).

The spelling of 224212044 in words is "two hundred twenty-four million, two hundred twelve thousand, forty-four".