42206559 has 8 divisors (see below), whose sum is σ = 56908080. Its totient is φ = 27821376.

The previous prime is 42206551. The next prime is 42206561. The reversal of 42206559 is 95560224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42206559 - 2³ = 42206551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78772 + ... + 79305.

It is an arithmetic number, because the mean of its divisors is an integer number (7113510).

Almost surely, 2^42206559 is an apocalyptic number.

42206559 is a deficient number, since it is larger than the sum of its proper divisors (14701521).

42206559 is a wasteful number, since it uses less digits than its factorization.

42206559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158169.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 42206559 is about 6496.6575252202. The cubic root of 42206559 is about 348.1715777643.

The spelling of 42206559 in words is "forty-two million, two hundred six thousand, five hundred fifty-nine".