2202155242 has 8 divisors (see below), whose sum is σ = 3775123296. Its totient is φ = 943780812.

The previous prime is 2202155227. The next prime is 2202155243. The reversal of 2202155242 is 2425512022.

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 (2202155243) 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, 78648388 + ... + 78648415.

It is an arithmetic number, because the mean of its divisors is an integer number (471890412).

Almost surely, 2^2202155242 is an apocalyptic number.

2202155242 is a deficient number, since it is larger than the sum of its proper divisors (1572968054).

2202155242 is a wasteful number, since it uses less digits than its factorization.

2202155242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157296812.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2202155242 is about 46927.1269310193. The cubic root of 2202155242 is about 1301.0160187385.

Adding to 2202155242 its reverse (2425512022), we get a palindrome (4627667264).

The spelling of 2202155242 in words is "two billion, two hundred two million, one hundred fifty-five thousand, two hundred forty-two".