244401224 has 8 divisors (see below), whose sum is σ = 458252310. Its totient is φ = 122200608.

The previous prime is 244401211. The next prime is 244401229. The reversal of 244401224 is 422104442.

It can be written as a sum of positive squares in only one way, i.e., 239692324 + 4708900 = 15482^2 + 2170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 244401224.

It is not an unprimeable number, because it can be changed into a prime (244401229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275069 + ... + 15275084.

Almost surely, 2^244401224 is an apocalyptic number.

It is an amenable number.

244401224 is a deficient number, since it is larger than the sum of its proper divisors (213851086).

244401224 is a wasteful number, since it uses less digits than its factorization.

244401224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30550159 (or 30550155 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 244401224 is about 15633.3369438518. The cubic root of 244401224 is about 625.2222987372. Note that the first 4 decimals are identical.

Adding to 244401224 its reverse (422104442), we get a palindrome (666505666).

The spelling of 244401224 in words is "two hundred forty-four million, four hundred one thousand, two hundred twenty-four".