2066222242 has 16 divisors (see below), whose sum is σ = 3550559040. Its totient is φ = 883407888.

The previous prime is 2066222201. The next prime is 2066222243. The reversal of 2066222242 is 2422226602.

It is a self number, because there is not a number n which added to its sum of digits gives 2066222242.

It is not an unprimeable number, because it can be changed into a prime (2066222243) 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 7 ways as a sum of consecutive naturals, for example, 170253 + ... + 181984.

It is an arithmetic number, because the mean of its divisors is an integer number (221909940).

Almost surely, 2^2066222242 is an apocalyptic number.

2066222242 is a deficient number, since it is larger than the sum of its proper divisors (1484336798).

2066222242 is a wasteful number, since it uses less digits than its factorization.

2066222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352665.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2066222242 is about 45455.7173741654. The cubic root of 2066222242 is about 1273.6761328787.

Adding to 2066222242 its reverse (2422226602), we get a palindrome (4488448844).

The spelling of 2066222242 in words is "two billion, sixty-six million, two hundred twenty-two thousand, two hundred forty-two".