42236011 has 4 divisors (see below), whose sum is σ = 42259392. Its totient is φ = 42212632.

The previous prime is 42235997. The next prime is 42236017. The reversal of 42236011 is 11063224.

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

It is a cyclic number.

It is not a de Polignac number, because 42236011 - 2⁵ = 42235979 is a prime.

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 42236011.

It is not an unprimeable number, because it can be changed into a prime (42236017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8731 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (10564848).

Almost surely, 2^42236011 is an apocalyptic number.

42236011 is a deficient number, since it is larger than the sum of its proper divisors (23381).

42236011 is a wasteful number, since it uses less digits than its factorization.

42236011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23380.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42236011 is about 6498.9238339897. The cubic root of 42236011 is about 348.2525443668.

Adding to 42236011 its reverse (11063224), we get a palindrome (53299235).

The spelling of 42236011 in words is "forty-two million, two hundred thirty-six thousand, eleven".