11214422044 has 48 divisors (see below), whose sum is σ = 22974336000. Its totient is φ = 4787752368.

The previous prime is 11214422033. The next prime is 11214422069. The reversal of 11214422044 is 44022441211.

It is a happy number.

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, 345297 + ... + 376375.

It is an arithmetic number, because the mean of its divisors is an integer number (478632000).

Almost surely, 2^11214422044 is an apocalyptic number.

11214422044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11214422044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11487168000).

11214422044 is an abundant number, since it is smaller than the sum of its proper divisors (11759913956).

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

11214422044 is a wasteful number, since it uses less digits than its factorization.

11214422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31367 (or 31351 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11214422044 its reverse (44022441211), we get a palindrome (55236863255).

The spelling of 11214422044 in words is "eleven billion, two hundred fourteen million, four hundred twenty-two thousand, forty-four".