42322422 has 16 divisors (see below), whose sum is σ = 84867120. Its totient is φ = 14070432.

The previous prime is 42322403. The next prime is 42322439. The reversal of 42322422 is 22422324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6733 + ... + 11400.

It is an arithmetic number, because the mean of its divisors is an integer number (5304195).

Almost surely, 2^42322422 is an apocalyptic number.

42322422 is an abundant number, since it is smaller than the sum of its proper divisors (42544698).

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

42322422 is a wasteful number, since it uses less digits than its factorization.

42322422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18527.

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

The square root of 42322422 is about 6505.5685377990. The cubic root of 42322422 is about 348.4898801598.

Adding to 42322422 its reverse (22422324), we get a palindrome (64744746).

The spelling of 42322422 in words is "forty-two million, three hundred twenty-two thousand, four hundred twenty-two".