42202666 has 8 divisors (see below), whose sum is σ = 69058944. Its totient is φ = 19183020.

The previous prime is 42202661. The next prime is 42202679. The reversal of 42202666 is 66620224.

42202666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (42202661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959130 + ... + 959173.

It is an arithmetic number, because the mean of its divisors is an integer number (8632368).

Almost surely, 2^42202666 is an apocalyptic number.

42202666 is a deficient number, since it is larger than the sum of its proper divisors (26856278).

42202666 is a wasteful number, since it uses less digits than its factorization.

42202666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918316.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42202666 is about 6496.3579027021. The cubic root of 42202666 is about 348.1608726854.

It can be divided in two parts, 4220 and 2666, that added together give a palindrome (6886).

The spelling of 42202666 in words is "forty-two million, two hundred two thousand, six hundred sixty-six".