450012422 has 4 divisors (see below), whose sum is σ = 675018636. Its totient is φ = 225006210.

The previous prime is 450012421. The next prime is 450012449. The reversal of 450012422 is 224210054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×450012422² = 405022359908612168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450012394 and 450012403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503104 + ... + 112503107.

It is an arithmetic number, because the mean of its divisors is an integer number (168754659).

Almost surely, 2^450012422 is an apocalyptic number.

450012422 is a deficient number, since it is larger than the sum of its proper divisors (225006214).

450012422 is a wasteful number, since it uses less digits than its factorization.

450012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225006213.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 450012422 is about 21213.4962229237. The cubic root of 450012422 is about 766.3164835107.

Adding to 450012422 its reverse (224210054), we get a palindrome (674222476).

The spelling of 450012422 in words is "four hundred fifty million, twelve thousand, four hundred twenty-two".