420335922 has 16 divisors (see below), whose sum is σ = 860222880. Its totient is φ = 136853472.

The previous prime is 420335921. The next prime is 420335953. The reversal of 420335922 is 229533024.

It is a self number, because there is not a number n which added to its sum of digits gives 420335922.

It is not an unprimeable number, because it can be changed into a prime (420335921) 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 in 7 ways as a sum of consecutive naturals, for example, 814347 + ... + 814862.

It is an arithmetic number, because the mean of its divisors is an integer number (53763930).

Almost surely, 2^420335922 is an apocalyptic number.

420335922 is an abundant number, since it is smaller than the sum of its proper divisors (439886958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420335922 is a wasteful number, since it uses less digits than its factorization.

420335922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629257.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 420335922 is about 20502.0955514308. The cubic root of 420335922 is about 749.0868424200.

Adding to 420335922 its reverse (229533024), we get a palindrome (649868946).

The spelling of 420335922 in words is "four hundred twenty million, three hundred thirty-five thousand, nine hundred twenty-two".