422211111 has 16 divisors (see below), whose sum is σ = 649618944. Its totient is φ = 238919904.

The previous prime is 422211079. The next prime is 422211131. The reversal of 422211111 is 111112224.

It is not a de Polignac number, because 422211111 - 2⁵ = 422211079 is a prime.

422211111 is a modest number, since divided by 11111 gives 4222 as remainder.

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 (422211131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95436 + ... + 99761.

It is an arithmetic number, because the mean of its divisors is an integer number (40601184).

Almost surely, 2^422211111 is an apocalyptic number.

422211111 is a deficient number, since it is larger than the sum of its proper divisors (227407833).

422211111 is a wasteful number, since it uses less digits than its factorization.

422211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195310.

The product of its digits is 32, while the sum is 15.

The square root of 422211111 is about 20547.7763030455. The cubic root of 422211111 is about 750.1991240170.

Adding to 422211111 its reverse (111112224), we get a palindrome (533323335).

The spelling of 422211111 in words is "four hundred twenty-two million, two hundred eleven thousand, one hundred eleven".