42206258 has 16 divisors (see below), whose sum is σ = 66768000. Its totient is φ = 19954512.

The previous prime is 42206251. The next prime is 42206267. The reversal of 42206258 is 85260224.

It is a self number, because there is not a number n which added to its sum of digits gives 42206258.

It is not an unprimeable number, because it can be changed into a prime (42206251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38948 + ... + 40016.

It is an arithmetic number, because the mean of its divisors is an integer number (4173000).

Almost surely, 2^42206258 is an apocalyptic number.

42206258 is a deficient number, since it is larger than the sum of its proper divisors (24561742).

42206258 is a wasteful number, since it uses less digits than its factorization.

42206258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 42206258 is about 6496.6343594203. The cubic root of 42206258 is about 348.1707500897.

The spelling of 42206258 in words is "forty-two million, two hundred six thousand, two hundred fifty-eight".