445022212 has 24 divisors (see below), whose sum is σ = 790485696. Its totient is φ = 219192288.

The previous prime is 445022203. The next prime is 445022219. The reversal of 445022212 is 212220544.

It is not an unprimeable number, because it can be changed into a prime (445022219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78423 + ... + 83905.

It is an arithmetic number, because the mean of its divisors is an integer number (32936904).

Almost surely, 2^445022212 is an apocalyptic number.

It is an amenable number.

445022212 is a deficient number, since it is larger than the sum of its proper divisors (345463484).

445022212 is a wasteful number, since it uses less digits than its factorization.

445022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5785 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 445022212 is about 21095.5495780508. The cubic root of 445022212 is about 763.4733745510.

Adding to 445022212 its reverse (212220544), we get a palindrome (657242756).

It can be divided in two parts, 4450 and 22212, that added together give a palindrome (26662).

The spelling of 445022212 in words is "four hundred forty-five million, twenty-two thousand, two hundred twelve".