42322340 has 12 divisors (see below), whose sum is σ = 88876956. Its totient is φ = 16928928.

The previous prime is 42322331. The next prime is 42322351. The reversal of 42322340 is 4322324.

It can be written as a sum of positive squares in 2 ways, for example, as 7086244 + 35236096 = 2662^2 + 5936^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2116117 = 42322340 / (4 + 2 + 3 + 2 + 2 + 3 + 4 + 0).

It is an unprimeable number.

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, 1058039 + ... + 1058078.

It is an arithmetic number, because the mean of its divisors is an integer number (7406413).

Almost surely, 2^42322340 is an apocalyptic number.

It is an amenable number.

42322340 is an abundant number, since it is smaller than the sum of its proper divisors (46554616).

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

42322340 is a wasteful number, since it uses less digits than its factorization.

42322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116126 (or 2116124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42322340 is about 6505.5622355028. The cubic root of 42322340 is about 348.4896550925.

Adding to 42322340 its reverse (4322324), we get a palindrome (46644664).

The spelling of 42322340 in words is "forty-two million, three hundred twenty-two thousand, three hundred forty".