42205235 has 8 divisors (see below), whose sum is σ = 50692416. Its totient is φ = 33733440.

The previous prime is 42205217. The next prime is 42205279. The reversal of 42205235 is 53250224.

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

It is not a de Polignac number, because 42205235 - 2⁶ = 42205171 is a prime.

It is a super-2 number, since 2×42205235² = 3562563722810450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42205235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (6336552).

Almost surely, 2^42205235 is an apocalyptic number.

42205235 is a deficient number, since it is larger than the sum of its proper divisors (8487181).

42205235 is a wasteful number, since it uses less digits than its factorization.

42205235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42205235 is about 6496.5556258682. Note that the first 3 decimals coincide. The cubic root of 42205235 is about 348.1679370664.

Adding to 42205235 its reverse (53250224), we get a palindrome (95455459).

The spelling of 42205235 in words is "forty-two million, two hundred five thousand, two hundred thirty-five".