42205115 has 8 divisors (see below), whose sum is σ = 52848288. Its totient is φ = 32296000.

The previous prime is 42205103. The next prime is 42205129. The reversal of 42205115 is 51150224.

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

It is not a de Polignac number, because 42205115 - 2¹⁶ = 42139579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183386 + ... + 183615.

It is an arithmetic number, because the mean of its divisors is an integer number (6606036).

Almost surely, 2^42205115 is an apocalyptic number.

42205115 is a deficient number, since it is larger than the sum of its proper divisors (10643173).

42205115 is a wasteful number, since it uses less digits than its factorization.

42205115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367029.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 42205115 is about 6496.5463901984. The cubic root of 42205115 is about 348.1676070901.

Adding to 42205115 its reverse (51150224), we get a palindrome (93355339).

The spelling of 42205115 in words is "forty-two million, two hundred five thousand, one hundred fifteen".