42522189 has 8 divisors (see below), whose sum is σ = 57024672. Its totient is φ = 28183920.

The previous prime is 42522187. The next prime is 42522199. The reversal of 42522189 is 98122524.

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

It is not a de Polignac number, because 42522189 - 2¹ = 42522187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42522187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40447 + ... + 41484.

It is an arithmetic number, because the mean of its divisors is an integer number (7128084).

Almost surely, 2^42522189 is an apocalyptic number.

It is an amenable number.

42522189 is a deficient number, since it is larger than the sum of its proper divisors (14502483).

42522189 is a wasteful number, since it uses less digits than its factorization.

42522189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82107.

The product of its digits is 11520, while the sum is 33.

The square root of 42522189 is about 6520.9040017470. The cubic root of 42522189 is about 349.0373246562.

It can be divided in two parts, 4252 and 2189, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 42522189 in words is "forty-two million, five hundred twenty-two thousand, one hundred eighty-nine".