22022224566561 has 12 divisors (see below), whose sum is σ = 32000358254592. Its totient is φ = 14593569971256.

The previous prime is 22022224566541. The next prime is 22022224566599. The reversal of 22022224566561 is 16566542222022.

22022224566561 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 2 + 2 + 24 + 5 + 66 + 561 = 666.

It is not a de Polignac number, because 22022224566561 - 2¹⁴ = 22022224550177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22022224566541) 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, 7326087841 + ... + 7326090846.

It is an arithmetic number, because the mean of its divisors is an integer number (2666696521216).

Almost surely, 2^{22022224566561} is an apocalyptic number.

It is an amenable number.

22022224566561 is a deficient number, since it is larger than the sum of its proper divisors (9978133688031).

22022224566561 is a wasteful number, since it uses less digits than its factorization.

22022224566561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652178860 (or 14652178857 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

Adding to 22022224566561 its reverse (16566542222022), we get a palindrome (38588766788583).

The spelling of 22022224566561 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-four million, five hundred sixty-six thousand, five hundred sixty-one".