22244024144 has 40 divisors (see below), whose sum is σ = 43578449640. Its totient is φ = 10998374400.

The previous prime is 22244024137. The next prime is 22244024161. The reversal of 22244024144 is 44142044222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37063744 + 22206960400 = 6088^2 + 149020^2 .

It is a super-2 number, since 2×22244024144² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 896384 + ... + 920864.

It is an arithmetic number, because the mean of its divisors is an integer number (1089461241).

Almost surely, 2^22244024144 is an apocalyptic number.

It is an amenable number.

22244024144 is a deficient number, since it is larger than the sum of its proper divisors (21334425496).

22244024144 is a wasteful number, since it uses less digits than its factorization.

22244024144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25119 (or 25113 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 22244024144 its reverse (44142044222), we get a palindrome (66386068366).

The spelling of 22244024144 in words is "twenty-two billion, two hundred forty-four million, twenty-four thousand, one hundred forty-four".