204226223553 has 24 divisors (see below), whose sum is σ = 328658069376. Its totient is φ = 121139988000.

The previous prime is 204226223521. The next prime is 204226223567. The reversal of 204226223553 is 355322622402.

204226223553 is a `hidden beast` number, since 2 + 0 + 4 + 22 + 62 + 23 + 553 = 666.

It is not a de Polignac number, because 204226223553 - 2⁵ = 204226223521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204226223653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21940998 + ... + 21950303.

It is an arithmetic number, because the mean of its divisors is an integer number (13694086224).

Almost surely, 2^204226223553 is an apocalyptic number.

It is an amenable number.

204226223553 is a deficient number, since it is larger than the sum of its proper divisors (124431845823).

204226223553 is a wasteful number, since it uses less digits than its factorization.

204226223553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43891365 (or 43891362 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 204226223553 its reverse (355322622402), we get a palindrome (559548845955).

The spelling of 204226223553 in words is "two hundred four billion, two hundred twenty-six million, two hundred twenty-three thousand, five hundred fifty-three".