445445224 has 16 divisors (see below), whose sum is σ = 954525600. Its totient is φ = 190905072.

The previous prime is 445445219. The next prime is 445445227. The reversal of 445445224 is 422544544.

It is a self number, because there is not a number n which added to its sum of digits gives 445445224.

It is not an unprimeable number, because it can be changed into a prime (445445227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977134 + ... + 3977245.

It is an arithmetic number, because the mean of its divisors is an integer number (59657850).

Almost surely, 2^445445224 is an apocalyptic number.

It is an amenable number.

445445224 is an abundant number, since it is smaller than the sum of its proper divisors (509080376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445445224 is a wasteful number, since it uses less digits than its factorization.

445445224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954392 (or 7954388 counting only the distinct ones).

The product of its digits is 102400, while the sum is 34.

The square root of 445445224 is about 21105.5732923794. The cubic root of 445445224 is about 763.7152022740.

Adding to 445445224 its reverse (422544544), we get a palindrome (867989768).

The spelling of 445445224 in words is "four hundred forty-five million, four hundred forty-five thousand, two hundred twenty-four".