22241626155425 has 12 divisors (see below), whose sum is σ = 27580939905900. Its totient is φ = 17792447070720.

The previous prime is 22241626155383. The next prime is 22241626155431. The reversal of 22241626155425 is 52455162614222.

It can be written as a sum of positive squares in 6 ways, for example, as 90305058064 + 22151321097361 = 300508^2 + 4706519^2 .

It is not a de Polignac number, because 22241626155425 - 2²⁰ = 22241625106849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22241626155425.

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, 20814692 + ... + 21857141.

It is an arithmetic number, because the mean of its divisors is an integer number (2298411658825).

Almost surely, 2^{22241626155425} is an apocalyptic number.

22241626155425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22241626155425 is a deficient number, since it is larger than the sum of its proper divisors (5339313750475).

22241626155425 is a wasteful number, since it uses less digits than its factorization.

22241626155425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42692692 (or 42692687 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

Adding to 22241626155425 its reverse (52455162614222), we get a palindrome (74696788769647).

The spelling of 22241626155425 in words is "twenty-two trillion, two hundred forty-one billion, six hundred twenty-six million, one hundred fifty-five thousand, four hundred twenty-five".