2221113434 has 4 divisors (see below), whose sum is σ = 3331670154. Its totient is φ = 1110556716.

The previous prime is 2221113431. The next prime is 2221113457. The reversal of 2221113434 is 4343111222.

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., 2206650625 + 14462809 = 46975^2 + 3803^2 .

It is not an unprimeable number, because it can be changed into a prime (2221113431) by changing a digit.

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 as a sum of consecutive naturals, namely, 555278357 + ... + 555278360.

Almost surely, 2^2221113434 is an apocalyptic number.

2221113434 is a deficient number, since it is larger than the sum of its proper divisors (1110556720).

2221113434 is a wasteful number, since it uses less digits than its factorization.

2221113434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110556719.

The product of its digits is 1152, while the sum is 23.

The square root of 2221113434 is about 47128.6901366885. The cubic root of 2221113434 is about 1304.7388063256.

Adding to 2221113434 its reverse (4343111222), we get a palindrome (6564224656).

The spelling of 2221113434 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, four hundred thirty-four".