2211422 has 4 divisors (see below), whose sum is σ = 3317136. Its totient is φ = 1105710.

The previous prime is 2211413. The next prime is 2211439. The reversal of 2211422 is 2241122.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2211397 and 2211406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552854 + ... + 552857.

It is an arithmetic number, because the mean of its divisors is an integer number (829284).

2^2211422 is an apocalyptic number.

2211422 is a deficient number, since it is larger than the sum of its proper divisors (1105714).

2211422 is a wasteful number, since it uses less digits than its factorization.

2211422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105713.

The product of its digits is 64, while the sum is 14.

The square root of 2211422 is about 1487.0850681787. The cubic root of 2211422 is about 130.2838374220.

Adding to 2211422 its reverse (2241122), we get a palindrome (4452544).

The spelling of 2211422 in words is "two million, two hundred eleven thousand, four hundred twenty-two".