420343454422 has 16 divisors (see below), whose sum is σ = 652943043792. Its totient is φ = 202825789920.

The previous prime is 420343454417. The next prime is 420343454473. The reversal of 420343454422 is 224454343024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32497668 + ... + 32510599.

It is an arithmetic number, because the mean of its divisors is an integer number (40808940237).

Almost surely, 2^420343454422 is an apocalyptic number.

420343454422 is a deficient number, since it is larger than the sum of its proper divisors (232599589370).

420343454422 is a wasteful number, since it uses less digits than its factorization.

420343454422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65008383.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 420343454422 its reverse (224454343024), we get a palindrome (644797797446).

The spelling of 420343454422 in words is "four hundred twenty billion, three hundred forty-three million, four hundred fifty-four thousand, four hundred twenty-two".