42236866 has 16 divisors (see below), whose sum is σ = 73773504. Its totient is φ = 17759664.

The previous prime is 42236863. The next prime is 42236899. The reversal of 42236866 is 66863224.

It is not an unprimeable number, because it can be changed into a prime (42236863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27720 + ... + 29203.

It is an arithmetic number, because the mean of its divisors is an integer number (4610844).

Almost surely, 2^42236866 is an apocalyptic number.

42236866 is a deficient number, since it is larger than the sum of its proper divisors (31536638).

42236866 is a wasteful number, since it uses less digits than its factorization.

42236866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56985.

The product of its digits is 82944, while the sum is 37.

The square root of 42236866 is about 6498.9896137784. The cubic root of 42236866 is about 348.2548942881.

The spelling of 42236866 in words is "forty-two million, two hundred thirty-six thousand, eight hundred sixty-six".