224642444 has 24 divisors (see below), whose sum is σ = 433694688. Its totient is φ = 101151360.

The previous prime is 224642423. The next prime is 224642447. The reversal of 224642444 is 444246422.

224642444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 224642444.

It is not an unprimeable number, because it can be changed into a prime (224642447) 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, 50552 + ... + 54815.

It is an arithmetic number, because the mean of its divisors is an integer number (18070612).

Almost surely, 2^224642444 is an apocalyptic number.

It is an amenable number.

224642444 is a deficient number, since it is larger than the sum of its proper divisors (209052244).

224642444 is a wasteful number, since it uses less digits than its factorization.

224642444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105425 (or 105423 counting only the distinct ones).

The product of its digits is 49152, while the sum is 32.

The square root of 224642444 is about 14988.0767278527. The cubic root of 224642444 is about 607.8978468439.

Adding to 224642444 its reverse (444246422), we get a palindrome (668888866).

The spelling of 224642444 in words is "two hundred twenty-four million, six hundred forty-two thousand, four hundred forty-four".