22055611342225 has 12 divisors (see below), whose sum is σ = 28538043198336. Its totient is φ = 16877337374480.

The previous prime is 22055611342217. The next prime is 22055611342277. The reversal of 22055611342225 is 52224311655022.

It is not a de Polignac number, because 22055611342225 - 2³ = 22055611342217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19178791897 + ... + 19178793046.

It is an arithmetic number, because the mean of its divisors is an integer number (2378170266528).

Almost surely, 2^{22055611342225} is an apocalyptic number.

22055611342225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22055611342225 is a deficient number, since it is larger than the sum of its proper divisors (6482431856111).

22055611342225 is a wasteful number, since it uses less digits than its factorization.

22055611342225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38357584976 (or 38357584971 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 22055611342225 its reverse (52224311655022), we get a palindrome (74279922997247).

The spelling of 22055611342225 in words is "twenty-two trillion, fifty-five billion, six hundred eleven million, three hundred forty-two thousand, two hundred twenty-five".