2221113442 has 4 divisors (see below), whose sum is σ = 3331670166. Its totient is φ = 1110556720.

The previous prime is 2221113431. The next prime is 2221113457. The reversal of 2221113442 is 2443111222.

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., 1761396961 + 459716481 = 41969^2 + 21441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555278359 + ... + 555278362.

Almost surely, 2^2221113442 is an apocalyptic number.

2221113442 is a deficient number, since it is larger than the sum of its proper divisors (1110556724).

2221113442 is a wasteful number, since it uses less digits than its factorization.

2221113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110556723.

The product of its digits is 768, while the sum is 22.

The square root of 2221113442 is about 47128.6902215625. The cubic root of 2221113442 is about 1304.7388078921.

Adding to 2221113442 its reverse (2443111222), we get a palindrome (4664224664).

It can be divided in two parts, 22211 and 13442, that added together give a palindrome (35653).

The spelling of 2221113442 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, four hundred forty-two".