11421422 has 4 divisors (see below), whose sum is σ = 17132136. Its totient is φ = 5710710.

The previous prime is 11421401. The next prime is 11421437. The reversal of 11421422 is 22412411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11421422.

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, 2855354 + ... + 2855357.

It is an arithmetic number, because the mean of its divisors is an integer number (4283034).

Almost surely, 2^11421422 is an apocalyptic number.

11421422 is a deficient number, since it is larger than the sum of its proper divisors (5710714).

11421422 is an equidigital number, since it uses as much as digits as its factorization.

11421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710713.

The product of its digits is 128, while the sum is 17.

The square root of 11421422 is about 3379.5594387435. The cubic root of 11421422 is about 225.2025961230.

Adding to 11421422 its reverse (22412411), we get a palindrome (33833833).

The spelling of 11421422 in words is "eleven million, four hundred twenty-one thousand, four hundred twenty-two".