22636220400055 has 8 divisors (see below), whose sum is σ = 27171804525552. Its totient is φ = 18103416289728.

The previous prime is 22636220400049. The next prime is 22636220400103. The reversal of 22636220400055 is 55000402263622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22636220400055 - 2⁹ = 22636220399543 is a prime.

It is a super-2 number, since 2×22636220400055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22636220399987 and 22636220400023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694985877 + ... + 695018446.

It is an arithmetic number, because the mean of its divisors is an integer number (3396475565694).

Almost surely, 2^{22636220400055} is an apocalyptic number.

22636220400055 is a deficient number, since it is larger than the sum of its proper divisors (4535584125497).

22636220400055 is a wasteful number, since it uses less digits than its factorization.

22636220400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390007585.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 22636220400055 its reverse (55000402263622), we get a palindrome (77636622663677).

The spelling of 22636220400055 in words is "twenty-two trillion, six hundred thirty-six billion, two hundred twenty million, four hundred thousand, fifty-five".