445425224 has 8 divisors (see below), whose sum is σ = 835172310. Its totient is φ = 222712608.

The previous prime is 445425193. The next prime is 445425229. The reversal of 445425224 is 422524544.

It can be written as a sum of positive squares in only one way, i.e., 412821124 + 32604100 = 20318^2 + 5710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (445425229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27839069 + ... + 27839084.

Almost surely, 2^445425224 is an apocalyptic number.

It is an amenable number.

445425224 is a deficient number, since it is larger than the sum of its proper divisors (389747086).

445425224 is a wasteful number, since it uses less digits than its factorization.

445425224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55678159 (or 55678155 counting only the distinct ones).

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

The square root of 445425224 is about 21105.0994785620. The cubic root of 445425224 is about 763.7037721124.

Adding to 445425224 its reverse (422524544), we get a palindrome (867949768).

The spelling of 445425224 in words is "four hundred forty-five million, four hundred twenty-five thousand, two hundred twenty-four".