22325124561 has 4 divisors (see below), whose sum is σ = 29766832752. Its totient is φ = 14883416372.

The previous prime is 22325124559. The next prime is 22325124611. The reversal of 22325124561 is 16542152322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22325124561 - 2¹ = 22325124559 is a prime.

It is a super-3 number, since 3×22325124561³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22325124541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3720854091 + ... + 3720854096.

It is an arithmetic number, because the mean of its divisors is an integer number (7441708188).

Almost surely, 2^22325124561 is an apocalyptic number.

It is an amenable number.

22325124561 is a deficient number, since it is larger than the sum of its proper divisors (7441708191).

22325124561 is an equidigital number, since it uses as much as digits as its factorization.

22325124561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441708190.

The product of its digits is 28800, while the sum is 33.

Adding to 22325124561 its reverse (16542152322), we get a palindrome (38867276883).

The spelling of 22325124561 in words is "twenty-two billion, three hundred twenty-five million, one hundred twenty-four thousand, five hundred sixty-one".