42522005 has 8 divisors (see below), whose sum is σ = 51522432. Its totient is φ = 33686928.

The previous prime is 42522001. The next prime is 42522023. The reversal of 42522005 is 50022524.

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

It is a cyclic number.

It is not a de Polignac number, because 42522005 - 2² = 42522001 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 (42522001) 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, 40769 + ... + 41798.

It is an arithmetic number, because the mean of its divisors is an integer number (6440304).

Almost surely, 2^42522005 is an apocalyptic number.

It is an amenable number.

42522005 is a deficient number, since it is larger than the sum of its proper divisors (9000427).

42522005 is a wasteful number, since it uses less digits than its factorization.

42522005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82675.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 42522005 is about 6520.8898932584. The cubic root of 42522005 is about 349.0368212095.

Adding to 42522005 its reverse (50022524), we get a palindrome (92544529).

The spelling of 42522005 in words is "forty-two million, five hundred twenty-two thousand, five".