42005022 has 24 divisors (see below), whose sum is σ = 84854616. Its totient is φ = 13862208.

The previous prime is 42004979. The next prime is 42005053. The reversal of 42005022 is 22050024.

It is a junction number, because it is equal to n+sod(n) for n = 42004992 and 42005010.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 112428 + ... + 112800.

It is an arithmetic number, because the mean of its divisors is an integer number (3535609).

Almost surely, 2^42005022 is an apocalyptic number.

42005022 is an abundant number, since it is smaller than the sum of its proper divisors (42849594).

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

42005022 is a wasteful number, since it uses less digits than its factorization.

42005022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 42005022 is about 6481.1281425381. The cubic root of 42005022 is about 347.6165183855.

Adding to 42005022 its reverse (22050024), we get a palindrome (64055046).

The spelling of 42005022 in words is "forty-two million, five thousand, twenty-two".