11440221421422 has 32 divisors (see below), whose sum is σ = 22988998301184. Its totient is φ = 3795352696800.

The previous prime is 11440221421417. The next prime is 11440221421457. The reversal of 11440221421422 is 22412412204411.

It is a super-2 number, since 2×11440221421422² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11440221421422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565954 + ... + 5966277.

It is an arithmetic number, because the mean of its divisors is an integer number (718406196912).

Almost surely, 2^{11440221421422} is an apocalyptic number.

11440221421422 is an abundant number, since it is smaller than the sum of its proper divisors (11548776879762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11440221421422 is a wasteful number, since it uses less digits than its factorization.

11440221421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9533184.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 11440221421422 its reverse (22412412204411), we get a palindrome (33852633625833).

The spelling of 11440221421422 in words is "eleven trillion, four hundred forty billion, two hundred twenty-one million, four hundred twenty-one thousand, four hundred twenty-two".