420222342 has 8 divisors (see below), whose sum is σ = 840444696. Its totient is φ = 140074112.

The previous prime is 420222323. The next prime is 420222343. The reversal of 420222342 is 243222024.

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

420222342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420222343) 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, 35018523 + ... + 35018534.

It is an arithmetic number, because the mean of its divisors is an integer number (105055587).

Almost surely, 2^420222342 is an apocalyptic number.

420222342 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.

420222342 is a wasteful number, since it uses less digits than its factorization.

420222342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70037062.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 420222342 is about 20499.3254035346. The cubic root of 420222342 is about 749.0193654779.

Adding to 420222342 its reverse (243222024), we get a palindrome (663444366).

The spelling of 420222342 in words is "four hundred twenty million, two hundred twenty-two thousand, three hundred forty-two".