450243422 has 4 divisors (see below), whose sum is σ = 675365136. Its totient is φ = 225121710.

The previous prime is 450243421. The next prime is 450243439. The reversal of 450243422 is 224342054.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 450243391 and 450243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450243421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112560854 + ... + 112560857.

It is an arithmetic number, because the mean of its divisors is an integer number (168841284).

Almost surely, 2^450243422 is an apocalyptic number.

450243422 is a deficient number, since it is larger than the sum of its proper divisors (225121714).

450243422 is a wasteful number, since it uses less digits than its factorization.

450243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225121713.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 450243422 is about 21218.9401714600. The cubic root of 450243422 is about 766.4475827268.

Adding to 450243422 its reverse (224342054), we get a palindrome (674585476).

The spelling of 450243422 in words is "four hundred fifty million, two hundred forty-three thousand, four hundred twenty-two".