420422442 has 16 divisors (see below), whose sum is σ = 917285472. Its totient is φ = 127400720.

The previous prime is 420422411. The next prime is 420422459. The reversal of 420422442 is 244224024.

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 7 ways as a sum of consecutive naturals, for example, 3184953 + ... + 3185084.

It is an arithmetic number, because the mean of its divisors is an integer number (57330342).

Almost surely, 2^420422442 is an apocalyptic number.

420422442 is an abundant number, since it is smaller than the sum of its proper divisors (496863030).

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

420422442 is a wasteful number, since it uses less digits than its factorization.

420422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370053.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 420422442 is about 20504.2054710735. The cubic root of 420422442 is about 749.1382350831.

Adding to 420422442 its reverse (244224024), we get a palindrome (664646466).

The spelling of 420422442 in words is "four hundred twenty million, four hundred twenty-two thousand, four hundred forty-two".