445244322 has 8 divisors (see below), whose sum is σ = 890488656. Its totient is φ = 148414772.

The previous prime is 445244311. The next prime is 445244339. The reversal of 445244322 is 223442544.

It is a sphenic number, since it is the product of 3 distinct primes.

445244322 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 445244322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37103688 + ... + 37103699.

It is an arithmetic number, because the mean of its divisors is an integer number (111311082).

Almost surely, 2^445244322 is an apocalyptic number.

445244322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445244322 is a wasteful number, since it uses less digits than its factorization.

445244322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74207392.

The product of its digits is 30720, while the sum is 30.

The square root of 445244322 is about 21100.8133018611. The cubic root of 445244322 is about 763.6003696109.

Adding to 445244322 its reverse (223442544), we get a palindrome (668686866).

The spelling of 445244322 in words is "four hundred forty-five million, two hundred forty-four thousand, three hundred twenty-two".