11211422 has 4 divisors (see below), whose sum is σ = 16817136. Its totient is φ = 5605710.

The previous prime is 11211401. The next prime is 11211437. The reversal of 11211422 is 22411211.

It is a happy number.

11211422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11211397 and 11211406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802854 + ... + 2802857.

It is an arithmetic number, because the mean of its divisors is an integer number (4204284).

Almost surely, 2^11211422 is an apocalyptic number.

11211422 is a deficient number, since it is larger than the sum of its proper divisors (5605714).

11211422 is an equidigital number, since it uses as much as digits as its factorization.

11211422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605713.

The product of its digits is 32, while the sum is 14.

The square root of 11211422 is about 3348.3461589268. The cubic root of 11211422 is about 223.8138201062.

Adding to 11211422 its reverse (22411211), we get a palindrome (33622633).

The spelling of 11211422 in words is "eleven million, two hundred eleven thousand, four hundred twenty-two".