52222111 has 2 divisors, whose sum is σ = 52222112. Its totient is φ = 52222110.

The previous prime is 52222097. The next prime is 52222117. The reversal of 52222111 is 11122225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52222111 - 2¹⁹ = 51697823 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26111055 + 26111056.

It is an arithmetic number, because the mean of its divisors is an integer number (26111056).

Almost surely, 2^52222111 is an apocalyptic number.

52222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

52222111 is an equidigital number, since it uses as much as digits as its factorization.

52222111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 16.

The square root of 52222111 is about 7226.4867674410. The cubic root of 52222111 is about 373.7817914591.

Adding to 52222111 its reverse (11122225), we get a palindrome (63344336).

The spelling of 52222111 in words is "fifty-two million, two hundred twenty-two thousand, one hundred eleven".