244401225 has 24 divisors (see below), whose sum is σ = 404622912. Its totient is φ = 130171200.

The previous prime is 244401211. The next prime is 244401229. The reversal of 244401225 is 522104442.

It is a happy number.

It is not a de Polignac number, because 244401225 - 2¹⁰ = 244400201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244401195 and 244401204.

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

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 23 ways as a sum of consecutive naturals, for example, 68844 + ... + 72306.

It is an arithmetic number, because the mean of its divisors is an integer number (16859288).

Almost surely, 2^244401225 is an apocalyptic number.

244401225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244401225 is a deficient number, since it is larger than the sum of its proper divisors (160221687).

244401225 is a wasteful number, since it uses less digits than its factorization.

244401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 244401225 is about 15633.3369758347. The cubic root of 244401225 is about 625.2222995899. Note that the first 4 decimals are identical.

Adding to 244401225 its reverse (522104442), we get a palindrome (766505667).

The spelling of 244401225 in words is "two hundred forty-four million, four hundred one thousand, two hundred twenty-five".