5222221111 has 8 divisors (see below), whose sum is σ = 5247450000. Its totient is φ = 5197013760.

The previous prime is 5222221099. The next prime is 5222221153. The reversal of 5222221111 is 1111222225.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5222221111 - 2²¹ = 5220123959 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222221171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692640 + ... + 700138.

It is an arithmetic number, because the mean of its divisors is an integer number (655931250).

Almost surely, 2^5222221111 is an apocalyptic number.

5222221111 is a deficient number, since it is larger than the sum of its proper divisors (25228889).

5222221111 is a wasteful number, since it uses less digits than its factorization.

5222221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10769.

The product of its digits is 160, while the sum is 19.

The square root of 5222221111 is about 72264.9369404001. The cubic root of 5222221111 is about 1734.9424980735.

Adding to 5222221111 its reverse (1111222225), we get a palindrome (6333443336).

The spelling of 5222221111 in words is "five billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".