420222404 has 12 divisors (see below), whose sum is σ = 840444864. Its totient is φ = 180095304.

The previous prime is 420222403. The next prime is 420222419. The reversal of 420222404 is 404222024.

420222404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (420222403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503944 + ... + 7503999.

It is an arithmetic number, because the mean of its divisors is an integer number (70037072).

Almost surely, 2^420222404 is an apocalyptic number.

It is an amenable number.

420222404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420222404 is a wasteful number, since it uses less digits than its factorization.

420222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15007954 (or 15007952 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 420222404 is about 20499.3269157795. The cubic root of 420222404 is about 749.0194023149.

Adding to 420222404 its reverse (404222024), we get a palindrome (824444428).

The spelling of 420222404 in words is "four hundred twenty million, two hundred twenty-two thousand, four hundred four".