42202605 has 8 divisors (see below), whose sum is σ = 67524192. Its totient is φ = 22508048.

The previous prime is 42202597. The next prime is 42202609. The reversal of 42202605 is 50620224.

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 42202605 - 2³ = 42202597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202609) 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, 1406739 + ... + 1406768.

It is an arithmetic number, because the mean of its divisors is an integer number (8440524).

Almost surely, 2^42202605 is an apocalyptic number.

It is an amenable number.

42202605 is a deficient number, since it is larger than the sum of its proper divisors (25321587).

42202605 is a wasteful number, since it uses less digits than its factorization.

42202605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813515.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42202605 is about 6496.3532077620. The cubic root of 42202605 is about 348.1607049407.

Adding to 42202605 its reverse (50620224), we get a palindrome (92822829).

The spelling of 42202605 in words is "forty-two million, two hundred two thousand, six hundred five".