22032140525 has 6 divisors (see below), whose sum is σ = 27319854282. Its totient is φ = 17625712400.

The previous prime is 22032140447. The next prime is 22032140527. The reversal of 22032140525 is 52504123022.

It can be written as a sum of positive squares in 3 ways, for example, as 256416169 + 21775724356 = 16013^2 + 147566^2 .

It is not a de Polignac number, because 22032140525 - 2⁸ = 22032140269 is a prime.

It is a super-2 number, since 2×22032140525² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22032140494 and 22032140503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032140527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440642786 + ... + 440642835.

It is an arithmetic number, because the mean of its divisors is an integer number (4553309047).

Almost surely, 2^22032140525 is an apocalyptic number.

22032140525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22032140525 is a deficient number, since it is larger than the sum of its proper divisors (5287713757).

22032140525 is an equidigital number, since it uses as much as digits as its factorization.

22032140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881285631 (or 881285626 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22032140525 its reverse (52504123022), we get a palindrome (74536263547).

The spelling of 22032140525 in words is "twenty-two billion, thirty-two million, one hundred forty thousand, five hundred twenty-five".