2224222111 has 2 divisors, whose sum is σ = 2224222112. Its totient is φ = 2224222110.

The previous prime is 2224222109. The next prime is 2224222127. The reversal of 2224222111 is 1112224222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2224222111 - 2¹ = 2224222109 is a prime.

It is a super-2 number, since 2×2224222111² = 9894327998122592642, which contains 22 as substring.

Together with 2224222109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224222151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112111055 + 1112111056.

It is an arithmetic number, because the mean of its divisors is an integer number (1112111056).

Almost surely, 2^2224222111 is an apocalyptic number.

2224222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224222111 is an equidigital number, since it uses as much as digits as its factorization.

2224222111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 19.

The square root of 2224222111 is about 47161.6593325553. The cubic root of 2224222111 is about 1305.3472280084.

Adding to 2224222111 its reverse (1112224222), we get a palindrome (3336446333).

It can be divided in two parts, 2224222 and 111, that multiplied together give a palindrome (246888642).

The spelling of 2224222111 in words is "two billion, two hundred twenty-four million, two hundred twenty-two thousand, one hundred eleven".