44042225 has 6 divisors (see below), whose sum is σ = 54612390. Its totient is φ = 35233760.

The previous prime is 44042221. The next prime is 44042233. The reversal of 44042225 is 52224044.

It can be written as a sum of positive squares in 3 ways, for example, as 6195121 + 37847104 = 2489^2 + 6152^2 .

It is not a de Polignac number, because 44042225 - 2² = 44042221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44042225.

It is not an unprimeable number, because it can be changed into a prime (44042221) 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 5 ways as a sum of consecutive naturals, for example, 880820 + ... + 880869.

It is an arithmetic number, because the mean of its divisors is an integer number (9102065).

Almost surely, 2^44042225 is an apocalyptic number.

It is an amenable number.

44042225 is a deficient number, since it is larger than the sum of its proper divisors (10570165).

44042225 is a wasteful number, since it uses less digits than its factorization.

44042225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761699 (or 1761694 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 44042225 is about 6636.4316466005. The cubic root of 44042225 is about 353.1477284559.

Adding to 44042225 its reverse (52224044), we get a palindrome (96266269).

The spelling of 44042225 in words is "forty-four million, forty-two thousand, two hundred twenty-five".