444224525 has 6 divisors (see below), whose sum is σ = 550838442. Its totient is φ = 355379600.

The previous prime is 444224497. The next prime is 444224531. The reversal of 444224525 is 525422444.

It can be written as a sum of positive squares in 3 ways, for example, as 743044 + 443481481 = 862^2 + 21059^2 .

It is not a de Polignac number, because 444224525 - 2⁸ = 444224269 is a prime.

It is a super-2 number, since 2×444224525² = 394670857222951250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444224491 and 444224500.

It is a congruent 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, 8884466 + ... + 8884515.

It is an arithmetic number, because the mean of its divisors is an integer number (91806407).

Almost surely, 2^444224525 is an apocalyptic number.

It is an amenable number.

444224525 is a deficient number, since it is larger than the sum of its proper divisors (106613917).

444224525 is a wasteful number, since it uses less digits than its factorization.

444224525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17768991 (or 17768986 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 444224525 is about 21076.6345748082. The cubic root of 444224525 is about 763.0169351417.

Adding to 444224525 its reverse (525422444), we get a palindrome (969646969).

The spelling of 444224525 in words is "four hundred forty-four million, two hundred twenty-four thousand, five hundred twenty-five".