42322420 has 48 divisors (see below), whose sum is σ = 101945088. Its totient is φ = 14457600.

The previous prime is 42322403. The next prime is 42322439. The reversal of 42322420 is 2422324.

42322420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 70120 + ... + 70720.

It is an arithmetic number, because the mean of its divisors is an integer number (2123856).

Almost surely, 2^42322420 is an apocalyptic number.

It is an amenable number.

42322420 is an abundant number, since it is smaller than the sum of its proper divisors (59622668).

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

42322420 is a wasteful number, since it uses less digits than its factorization.

42322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42322420 is about 6505.5683840845. The cubic root of 42322420 is about 348.4898746704.

Adding to 42322420 its reverse (2422324), we get a palindrome (44744744).

The spelling of 42322420 in words is "forty-two million, three hundred twenty-two thousand, four hundred twenty".