1422211 has 4 divisors (see below), whose sum is σ = 1625392. Its totient is φ = 1219032.

The previous prime is 1422199. The next prime is 1422221. The reversal of 1422211 is 1122241.

It is a happy number.

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 1422211 - 2¹⁷ = 1291139 is a prime.

It is a Duffinian number.

1422211 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1422191 and 1422200.

It is not an unprimeable number, because it can be changed into a prime (1422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101580 + ... + 101593.

It is an arithmetic number, because the mean of its divisors is an integer number (406348).

2^1422211 is an apocalyptic number.

1422211 is a deficient number, since it is larger than the sum of its proper divisors (203181).

1422211 is an equidigital number, since it uses as much as digits as its factorization.

1422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203180.

The product of its digits is 32, while the sum is 13.

The square root of 1422211 is about 1192.5648829309. The cubic root of 1422211 is about 112.4573929190.

Adding to 1422211 its reverse (1122241), we get a palindrome (2544452).

The spelling of 1422211 in words is "one million, four hundred twenty-two thousand, two hundred eleven".