450022312 has 16 divisors (see below), whose sum is σ = 851679360. Its totient is φ = 222907824.

The previous prime is 450022271. The next prime is 450022337. The reversal of 450022312 is 213220054.

It is a self number, because there is not a number n which added to its sum of digits gives 450022312.

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, 262008 + ... + 263719.

It is an arithmetic number, because the mean of its divisors is an integer number (53229960).

Almost surely, 2^450022312 is an apocalyptic number.

It is an amenable number.

450022312 is a deficient number, since it is larger than the sum of its proper divisors (401657048).

450022312 is a wasteful number, since it uses less digits than its factorization.

450022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525840 (or 525836 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 450022312 is about 21213.7293279612. The cubic root of 450022312 is about 766.3220972924.

Adding to 450022312 its reverse (213220054), we get a palindrome (663242366).

The spelling of 450022312 in words is "four hundred fifty million, twenty-two thousand, three hundred twelve".