42422159 has 4 divisors (see below), whose sum is σ = 45685416. Its totient is φ = 39158904.

The previous prime is 42422147. The next prime is 42422161. The reversal of 42422159 is 95122424.

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 42422159 - 2²⁴ = 25644943 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 (42422119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631609 + ... + 1631634.

It is an arithmetic number, because the mean of its divisors is an integer number (11421354).

Almost surely, 2^42422159 is an apocalyptic number.

42422159 is a deficient number, since it is larger than the sum of its proper divisors (3263257).

42422159 is a wasteful number, since it uses less digits than its factorization.

42422159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263256.

The product of its digits is 5760, while the sum is 29.

The square root of 42422159 is about 6513.2295368734. The cubic root of 42422159 is about 348.7634157641.

The spelling of 42422159 in words is "forty-two million, four hundred twenty-two thousand, one hundred fifty-nine".