22144001125 has 8 divisors (see below), whose sum is σ = 27635713560. Its totient is φ = 17715200800.

The previous prime is 22144001123. The next prime is 22144001137. The reversal of 22144001125 is 52110044122.

It can be written as a sum of positive squares in 4 ways, for example, as 4080909924 + 18063091201 = 63882^2 + 134399^2 .

It is not a de Polignac number, because 22144001125 - 2¹ = 22144001123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22144001096 and 22144001105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144001123) by changing a digit.

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, 88575880 + ... + 88576129.

It is an arithmetic number, because the mean of its divisors is an integer number (3454464195).

Almost surely, 2^22144001125 is an apocalyptic number.

22144001125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22144001125 is a deficient number, since it is larger than the sum of its proper divisors (5491712435).

22144001125 is an equidigital number, since it uses as much as digits as its factorization.

22144001125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177152024 (or 177152014 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 22144001125 its reverse (52110044122), we get a palindrome (74254045247).

The spelling of 22144001125 in words is "twenty-two billion, one hundred forty-four million, one thousand, one hundred twenty-five".