450642422 has 8 divisors (see below), whose sum is σ = 683559000. Its totient is φ = 222789424.

The previous prime is 450642419. The next prime is 450642431. The reversal of 450642422 is 224246054.

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

It is a congruent number.

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, 1265672 + ... + 1266027.

It is an arithmetic number, because the mean of its divisors is an integer number (85444875).

Almost surely, 2^450642422 is an apocalyptic number.

450642422 is a deficient number, since it is larger than the sum of its proper divisors (232916578).

450642422 is a wasteful number, since it uses less digits than its factorization.

450642422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531790.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 450642422 is about 21228.3400669953. The cubic root of 450642422 is about 766.6739212504.

Adding to 450642422 its reverse (224246054), we get a palindrome (674888476).

The spelling of 450642422 in words is "four hundred fifty million, six hundred forty-two thousand, four hundred twenty-two".