42206211 has 16 divisors (see below), whose sum is σ = 62647200. Its totient is φ = 28083744.

The previous prime is 42206209. The next prime is 42206249. The reversal of 42206211 is 11260224.

42206211 is a `hidden beast` number, since 42 + 2 + 0 + 621 + 1 = 666.

It is not a de Polignac number, because 42206211 - 2¹ = 42206209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42206251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17125 + ... + 19433.

It is an arithmetic number, because the mean of its divisors is an integer number (3915450).

Almost surely, 2^42206211 is an apocalyptic number.

42206211 is a deficient number, since it is larger than the sum of its proper divisors (20440989).

42206211 is a wasteful number, since it uses less digits than its factorization.

42206211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42206211 is about 6496.6307421617. The cubic root of 42206211 is about 348.1706208511.

Adding to 42206211 its reverse (11260224), we get a palindrome (53466435).

The spelling of 42206211 in words is "forty-two million, two hundred six thousand, two hundred eleven".