42322042 has 16 divisors (see below), whose sum is σ = 73547712. Its totient is φ = 17889120.

The previous prime is 42321997. The next prime is 42322067. The reversal of 42322042 is 24022324.

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, 19684 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (4596732).

Almost surely, 2^42322042 is an apocalyptic number.

42322042 is a deficient number, since it is larger than the sum of its proper divisors (31225670).

42322042 is a wasteful number, since it uses less digits than its factorization.

42322042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41493.

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

The square root of 42322042 is about 6505.5393319847. The cubic root of 42322042 is about 348.4888371623.

Adding to 42322042 its reverse (24022324), we get a palindrome (66344366).

The spelling of 42322042 in words is "forty-two million, three hundred twenty-two thousand, forty-two".