22256134525 has 6 divisors (see below), whose sum is σ = 27597606842. Its totient is φ = 17804907600.

The previous prime is 22256134501. The next prime is 22256134531. The reversal of 22256134525 is 52543165222.

It can be written as a sum of positive squares in 3 ways, for example, as 2923456761 + 19332677764 = 54069^2 + 139042^2 .

It is not a de Polignac number, because 22256134525 - 2¹⁷ = 22256003453 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 445122666 + ... + 445122715.

Almost surely, 2^22256134525 is an apocalyptic number.

22256134525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22256134525 is a deficient number, since it is larger than the sum of its proper divisors (5341472317).

22256134525 is an equidigital number, since it uses as much as digits as its factorization.

22256134525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890245391 (or 890245386 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 22256134525 its reverse (52543165222), we get a palindrome (74799299747).

The spelling of 22256134525 in words is "twenty-two billion, two hundred fifty-six million, one hundred thirty-four thousand, five hundred twenty-five".