22556335130425 has 12 divisors (see below), whose sum is σ = 28217376410940. Its totient is φ = 17885377233920.

The previous prime is 22556335130393. The next prime is 22556335130429. The reversal of 22556335130425 is 52403153365522.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1585604787264 + 20970730343161 = 1259208^2 + 4579381^2 .

It is not a de Polignac number, because 22556335130425 - 2⁵ = 22556335130393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22556335130429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3992268880 + ... + 3992274529.

It is an arithmetic number, because the mean of its divisors is an integer number (2351448034245).

Almost surely, 2^{22556335130425} is an apocalyptic number.

22556335130425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22556335130425 is a deficient number, since it is larger than the sum of its proper divisors (5661041280515).

22556335130425 is a wasteful number, since it uses less digits than its factorization.

22556335130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984543532 (or 7984543527 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 46.

Adding to 22556335130425 its reverse (52403153365522), we get a palindrome (74959488495947).

The spelling of 22556335130425 in words is "twenty-two trillion, five hundred fifty-six billion, three hundred thirty-five million, one hundred thirty thousand, four hundred twenty-five".