44642225 has 6 divisors (see below), whose sum is σ = 55356390. Its totient is φ = 35713760.

The previous prime is 44642207. The next prime is 44642231. The reversal of 44642225 is 52224644.

It can be written as a sum of positive squares in 3 ways, for example, as 339889 + 44302336 = 583^2 + 6656^2 .

It is not a de Polignac number, because 44642225 - 2⁸ = 44641969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 892820 + ... + 892869.

It is an arithmetic number, because the mean of its divisors is an integer number (9226065).

Almost surely, 2^44642225 is an apocalyptic number.

It is an amenable number.

44642225 is a deficient number, since it is larger than the sum of its proper divisors (10714165).

44642225 is a wasteful number, since it uses less digits than its factorization.

44642225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785699 (or 1785694 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 44642225 is about 6681.4837424033. The cubic root of 44642225 is about 354.7441785843.

Adding to 44642225 its reverse (52224644), we get a palindrome (96866869).

The spelling of 44642225 in words is "forty-four million, six hundred forty-two thousand, two hundred twenty-five".