420422422 has 8 divisors (see below), whose sum is σ = 720724176. Its totient is φ = 180181032.

The previous prime is 420422411. The next prime is 420422459. The reversal of 420422422 is 224224024.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 420422393 and 420422402.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15015073 + ... + 15015100.

It is an arithmetic number, because the mean of its divisors is an integer number (90090522).

Almost surely, 2^420422422 is an apocalyptic number.

420422422 is a deficient number, since it is larger than the sum of its proper divisors (300301754).

420422422 is a wasteful number, since it uses less digits than its factorization.

420422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30030182.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 420422422 is about 20504.2049833687. The cubic root of 420422422 is about 749.1382232040.

Adding to 420422422 its reverse (224224024), we get a palindrome (644646446).

The spelling of 420422422 in words is "four hundred twenty million, four hundred twenty-two thousand, four hundred twenty-two".