22144403112 has 32 divisors (see below), whose sum is σ = 59619547680. Its totient is φ = 6813662400.

The previous prime is 22144403107. The next prime is 22144403207. The reversal of 22144403112 is 21130444122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35487514 + ... + 35488137.

It is an arithmetic number, because the mean of its divisors is an integer number (1863110865).

Almost surely, 2^22144403112 is an apocalyptic number.

It is an amenable number.

22144403112 is an abundant number, since it is smaller than the sum of its proper divisors (37475144568).

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

22144403112 is a wasteful number, since it uses less digits than its factorization.

22144403112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70975673 (or 70975669 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22144403112 its reverse (21130444122), we get a palindrome (43274847234).

The spelling of 22144403112 in words is "twenty-two billion, one hundred forty-four million, four hundred three thousand, one hundred twelve".