2221002242 has 8 divisors (see below), whose sum is σ = 3332765196. Its totient is φ = 1110080512.

The previous prime is 2221002239. The next prime is 2221002263. The reversal of 2221002242 is 2422001222.

It can be written as a sum of positive squares in 2 ways, for example, as 2203269721 + 17732521 = 46939^2 + 4211^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2221002242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203663 + ... + 214290.

Almost surely, 2^2221002242 is an apocalyptic number.

2221002242 is a deficient number, since it is larger than the sum of its proper divisors (1111762954).

2221002242 is a wasteful number, since it uses less digits than its factorization.

2221002242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420612.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2221002242 is about 47127.5104583300. The cubic root of 2221002242 is about 1304.7170336213.

Adding to 2221002242 its reverse (2422001222), we get a palindrome (4643003464).

The spelling of 2221002242 in words is "two billion, two hundred twenty-one million, two thousand, two hundred forty-two".