422213111 has 4 divisors (see below), whose sum is σ = 423166632. Its totient is φ = 421259592.

The previous prime is 422213107. The next prime is 422213123. The reversal of 422213111 is 111312224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422213111 - 2² = 422213107 is a prime.

It is a super-2 number, since 2×422213111² = 356527822200596642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422213101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476096 + ... + 476981.

It is an arithmetic number, because the mean of its divisors is an integer number (105791658).

Almost surely, 2^422213111 is an apocalyptic number.

422213111 is a deficient number, since it is larger than the sum of its proper divisors (953521).

422213111 is an equidigital number, since it uses as much as digits as its factorization.

422213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953520.

The product of its digits is 96, while the sum is 17.

The square root of 422213111 is about 20547.8249700546. The cubic root of 422213111 is about 750.2003085713.

Adding to 422213111 its reverse (111312224), we get a palindrome (533525335).

The spelling of 422213111 in words is "four hundred twenty-two million, two hundred thirteen thousand, one hundred eleven".