2210042242 has 4 divisors (see below), whose sum is σ = 3315063366. Its totient is φ = 1105021120.

The previous prime is 2210042231. The next prime is 2210042249. The reversal of 2210042242 is 2422400122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1193771601 + 1016270641 = 34551^2 + 31879^2 .

It is a super-2 number, since 2×2210042242² = 9768573422848773128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2210042249) 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 as a sum of consecutive naturals, namely, 552510559 + ... + 552510562.

Almost surely, 2^2210042242 is an apocalyptic number.

2210042242 is a deficient number, since it is larger than the sum of its proper divisors (1105021124).

2210042242 is a wasteful number, since it uses less digits than its factorization.

2210042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105021123.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2210042242 is about 47011.0863733226. The cubic root of 2210042242 is about 1302.5673607194.

Adding to 2210042242 its reverse (2422400122), we get a palindrome (4632442364).

The spelling of 2210042242 in words is "two billion, two hundred ten million, forty-two thousand, two hundred forty-two".