445224425 has 6 divisors (see below), whose sum is σ = 552078318. Its totient is φ = 356179520.

The previous prime is 445224419. The next prime is 445224431. The reversal of 445224425 is 524422544.

It is an interprime number because it is at equal distance from previous prime (445224419) and next prime (445224431).

It can be written as a sum of positive squares in 3 ways, for example, as 19998784 + 425225641 = 4472^2 + 20621^2 .

It is not a de Polignac number, because 445224425 - 2⁶ = 445224361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445224391 and 445224400.

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, 8904464 + ... + 8904513.

It is an arithmetic number, because the mean of its divisors is an integer number (92013053).

Almost surely, 2^445224425 is an apocalyptic number.

It is an amenable number.

445224425 is a deficient number, since it is larger than the sum of its proper divisors (106853893).

445224425 is a wasteful number, since it uses less digits than its factorization.

445224425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17808987 (or 17808982 counting only the distinct ones).

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

The square root of 445224425 is about 21100.3418218758. The cubic root of 445224425 is about 763.5889948951.

Adding to 445224425 its reverse (524422544), we get a palindrome (969646969).

The spelling of 445224425 in words is "four hundred forty-five million, two hundred twenty-four thousand, four hundred twenty-five".