42205214 has 4 divisors (see below), whose sum is σ = 63307824. Its totient is φ = 21102606.

The previous prime is 42205199. The next prime is 42205217. The reversal of 42205214 is 41250224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42205217) by changing a digit.

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 as a sum of consecutive naturals, namely, 10551302 + ... + 10551305.

It is an arithmetic number, because the mean of its divisors is an integer number (15826956).

Almost surely, 2^42205214 is an apocalyptic number.

42205214 is a deficient number, since it is larger than the sum of its proper divisors (21102610).

42205214 is a wasteful number, since it uses less digits than its factorization.

42205214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21102609.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42205214 is about 6496.5540096269. The cubic root of 42205214 is about 348.1678793206.

Adding to 42205214 its reverse (41250224), we get a palindrome (83455438).

The spelling of 42205214 in words is "forty-two million, two hundred five thousand, two hundred fourteen".