44444225 has 48 divisors (see below), whose sum is σ = 66067200. Its totient is φ = 29635200.

The previous prime is 44444221. The next prime is 44444237. The reversal of 44444225 is 52244444.

It is not a de Polignac number, because 44444225 - 2² = 44444221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44444221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608789 + ... + 608861.

It is an arithmetic number, because the mean of its divisors is an integer number (1376400).

Almost surely, 2^44444225 is an apocalyptic number.

It is an amenable number.

44444225 is a deficient number, since it is larger than the sum of its proper divisors (21622975).

44444225 is an equidigital number, since it uses as much as digits as its factorization.

44444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 156 counting only the distinct ones).

The product of its digits is 20480, while the sum is 29.

The square root of 44444225 is about 6666.6502083130. The cubic root of 44444225 is about 354.2189400736.

Adding to 44444225 its reverse (52244444), we get a palindrome (96688669).

The spelling of 44444225 in words is "forty-four million, four hundred forty-four thousand, two hundred twenty-five".