22440044143200 has 144 divisors (see below), whose sum is σ = 73230116253840. Its totient is φ = 5968628459520.

The previous prime is 22440044143159. The next prime is 22440044143213. The reversal of 22440044143200 is 234144004422.

It is a super-2 number, since 2×22440044143200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11084419 + ... + 12951618.

It is an arithmetic number, because the mean of its divisors is an integer number (508542473985).

Almost surely, 2^{22440044143200} is an apocalyptic number.

22440044143200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440044143200 is an abundant number, since it is smaller than the sum of its proper divisors (50790072110640).

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

22440044143200 is a wasteful number, since it uses less digits than its factorization.

22440044143200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24036449 (or 24036436 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22440044143200 its reverse (234144004422), we get a palindrome (22674188147622).

The spelling of 22440044143200 in words is "twenty-two trillion, four hundred forty billion, forty-four million, one hundred forty-three thousand, two hundred".