22150044443125 has 20 divisors (see below), whose sum is σ = 27854993083324. Its totient is φ = 17607169008000.

The previous prime is 22150044443123. The next prime is 22150044443171. The reversal of 22150044443125 is 52134444005122.

It can be written as a sum of positive squares in 10 ways, for example, as 21820772755441 + 329271687684 = 4671271^2 + 573822^2 .

It is not a de Polignac number, because 22150044443125 - 2¹ = 22150044443123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150044443123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112768344 + ... + 112964593.

Almost surely, 2^{22150044443125} is an apocalyptic number.

22150044443125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22150044443125 is a deficient number, since it is larger than the sum of its proper divisors (5704948640199).

22150044443125 is an equidigital number, since it uses as much as digits as its factorization.

22150044443125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225733114 (or 225733099 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 22150044443125 its reverse (52134444005122), we get a palindrome (74284488448247).

The spelling of 22150044443125 in words is "twenty-two trillion, one hundred fifty billion, forty-four million, four hundred forty-three thousand, one hundred twenty-five".