22144024040 has 32 divisors (see below), whose sum is σ = 49869081000. Its totient is φ = 8849604864.

The previous prime is 22144024037. The next prime is 22144024043. The reversal of 22144024040 is 4042044122.

It is an interprime number because it is at equal distance from previous prime (22144024037) and next prime (22144024043).

It can be written as a sum of positive squares in 4 ways, for example, as 10071728164 + 12072295876 = 100358^2 + 109874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22144023997 and 22144024015.

It is not an unprimeable number, because it can be changed into a prime (22144024043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205235 + ... + 293954.

Almost surely, 2^22144024040 is an apocalyptic number.

22144024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144024040 is an abundant number, since it is smaller than the sum of its proper divisors (27725056960).

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

22144024040 is a wasteful number, since it uses less digits than its factorization.

22144024040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500309 (or 500305 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22144024040 its reverse (4042044122), we get a palindrome (26186068162).

The spelling of 22144024040 in words is "twenty-two billion, one hundred forty-four million, twenty-four thousand, forty".