224444444 has 24 divisors (see below), whose sum is σ = 449524320. Its totient is φ = 96054336.

The previous prime is 224444393. The next prime is 224444449. The reversal of 224444444 is 444444422.

It is a nude number because it is divisible by every one of its digits.

224444444 is a modest number, since divided by 44444 gives 2244 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 224444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224444449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15902 + ... + 26490.

It is an arithmetic number, because the mean of its divisors is an integer number (18730180).

Almost surely, 2^224444444 is an apocalyptic number.

It is an amenable number.

224444444 is an abundant number, since it is smaller than the sum of its proper divisors (225079876).

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

224444444 is a wasteful number, since it uses less digits than its factorization.

224444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357 (or 11355 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

The square root of 224444444 is about 14981.4700213297. The cubic root of 224444444 is about 607.7191938228.

Adding to 224444444 its reverse (444444422), we get a palindrome (668888866).

The spelling of 224444444 in words is "two hundred twenty-four million, four hundred forty-four thousand, four hundred forty-four".