42221159 has 4 divisors (see below), whose sum is σ = 42254304. Its totient is φ = 42188016.

The previous prime is 42221147. The next prime is 42221197. The reversal of 42221159 is 95112224.

42221159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42221159 - 2⁴ = 42221143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14582 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (10563576).

Almost surely, 2^42221159 is an apocalyptic number.

42221159 is a deficient number, since it is larger than the sum of its proper divisors (33145).

42221159 is a wasteful number, since it uses less digits than its factorization.

42221159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33144.

The product of its digits is 1440, while the sum is 26.

The square root of 42221159 is about 6497.7810828005. The cubic root of 42221159 is about 348.2117193847.

The spelling of 42221159 in words is "forty-two million, two hundred twenty-one thousand, one hundred fifty-nine".