420222422 has 16 divisors (see below), whose sum is σ = 688943232. Its totient is φ = 191372160.

The previous prime is 420222419. The next prime is 420222427. The reversal of 420222422 is 224222024.

It is a junction number, because it is equal to n+sod(n) for n = 420222394 and 420222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420222427) 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, 198293 + ... + 200400.

It is an arithmetic number, because the mean of its divisors is an integer number (43058952).

Almost surely, 2^420222422 is an apocalyptic number.

420222422 is a deficient number, since it is larger than the sum of its proper divisors (268720810).

420222422 is a wasteful number, since it uses less digits than its factorization.

420222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398743.

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

The square root of 420222422 is about 20499.3273548183. The cubic root of 420222422 is about 749.0194130095.

Adding to 420222422 its reverse (224222024), we get a palindrome (644444446).

It can be divided in two parts, 42022 and 2422, that added together give a palindrome (44444).

The spelling of 420222422 in words is "four hundred twenty million, two hundred twenty-two thousand, four hundred twenty-two".