450044522221 has 8 divisors (see below), whose sum is σ = 514449748800. Its totient is φ = 385667583648.

The previous prime is 450044522203. The next prime is 450044522227. The reversal of 450044522221 is 122225440054.

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

It is a cyclic number.

It is not a de Polignac number, because 450044522221 - 2⁷ = 450044522093 is a prime.

It is a super-2 number, since 2×450044522221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450044522227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7037896 + ... + 7101553.

It is an arithmetic number, because the mean of its divisors is an integer number (64306218600).

Almost surely, 2^450044522221 is an apocalyptic number.

It is an amenable number.

450044522221 is a deficient number, since it is larger than the sum of its proper divisors (64405226579).

450044522221 is a wasteful number, since it uses less digits than its factorization.

450044522221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14144003.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 450044522221 its reverse (122225440054), we get a palindrome (572269962275).

The spelling of 450044522221 in words is "four hundred fifty billion, forty-four million, five hundred twenty-two thousand, two hundred twenty-one".