244402225 has 12 divisors (see below), whose sum is σ = 319009840. Its totient is φ = 185230800.

The previous prime is 244402219. The next prime is 244402243. The reversal of 244402225 is 522204442.

It is not a de Polignac number, because 244402225 - 2⁷ = 244402097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 244402225.

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 11 ways as a sum of consecutive naturals, for example, 256791 + ... + 257740.

Almost surely, 2^244402225 is an apocalyptic number.

244402225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244402225 is a deficient number, since it is larger than the sum of its proper divisors (74607615).

244402225 is a wasteful number, since it uses less digits than its factorization.

244402225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514560 (or 514555 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 244402225 is about 15633.3689587369. The cubic root of 244402225 is about 625.2231523154.

Adding to 244402225 its reverse (522204442), we get a palindrome (766606667).

The spelling of 244402225 in words is "two hundred forty-four million, four hundred two thousand, two hundred twenty-five".