2221411442 has 4 divisors (see below), whose sum is σ = 3332117166. Its totient is φ = 1110705720.

The previous prime is 2221411427. The next prime is 2221411477. The reversal of 2221411442 is 2441141222.

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., 1999073521 + 222337921 = 44711^2 + 14911^2 .

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 as a sum of consecutive naturals, namely, 555352859 + ... + 555352862.

Almost surely, 2^2221411442 is an apocalyptic number.

2221411442 is a deficient number, since it is larger than the sum of its proper divisors (1110705724).

2221411442 is a wasteful number, since it uses less digits than its factorization.

2221411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110705723.

The product of its digits is 1024, while the sum is 23.

The square root of 2221411442 is about 47131.8516716668. The cubic root of 2221411442 is about 1304.7971562217.

Adding to 2221411442 its reverse (2441141222), we get a palindrome (4662552664).

The spelling of 2221411442 in words is "two billion, two hundred twenty-one million, four hundred eleven thousand, four hundred forty-two".