224400444 has 24 divisors (see below), whose sum is σ = 540492288. Its totient is φ = 72387120.

The previous prime is 224400437. The next prime is 224400461. The reversal of 224400444 is 444004422.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301242 + ... + 301985.

It is an arithmetic number, because the mean of its divisors is an integer number (22520512).

Almost surely, 2^224400444 is an apocalyptic number.

It is an amenable number.

224400444 is an abundant number, since it is smaller than the sum of its proper divisors (316091844).

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

224400444 is a wasteful number, since it uses less digits than its factorization.

224400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603265 (or 603263 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 224400444 is about 14980.0014686248. The cubic root of 224400444 is about 607.6794788840.

Adding to 224400444 its reverse (444004422), we get a palindrome (668404866).

The spelling of 224400444 in words is "two hundred twenty-four million, four hundred thousand, four hundred forty-four".