22206122522605 has 16 divisors (see below), whose sum is σ = 30458520385920. Its totient is φ = 15224850695232.

The previous prime is 22206122522603. The next prime is 22206122522609. The reversal of 22206122522605 is 50622522160222.

It is a cyclic number.

It is not a de Polignac number, because 22206122522605 - 2¹ = 22206122522603 is a prime.

It is a super-2 number, since 2×22206122522605² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206122522603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45687070 + ... + 46170559.

It is an arithmetic number, because the mean of its divisors is an integer number (1903657524120).

Almost surely, 2^{22206122522605} is an apocalyptic number.

It is an amenable number.

22206122522605 is a deficient number, since it is larger than the sum of its proper divisors (8252397863315).

22206122522605 is an equidigital number, since it uses as much as digits as its factorization.

22206122522605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91864548.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 22206122522605 its reverse (50622522160222), we get a palindrome (72828644682827).

The spelling of 22206122522605 in words is "twenty-two trillion, two hundred six billion, one hundred twenty-two million, five hundred twenty-two thousand, six hundred five".