22204204551 has 12 divisors (see below), whose sum is σ = 32074827928. Its totient is φ = 14801839344.

The previous prime is 22204204549. The next prime is 22204204601. The reversal of 22204204551 is 15540240222.

22204204551 is a `hidden beast` number, since 2 + 2 + 204 + 2 + 0 + 455 + 1 = 666.

It is not a de Polignac number, because 22204204551 - 2¹ = 22204204549 is a prime.

It is a super-2 number, since 2×22204204551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204204511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83121 + ... + 226533.

Almost surely, 2^22204204551 is an apocalyptic number.

22204204551 is a deficient number, since it is larger than the sum of its proper divisors (9870623377).

22204204551 is a wasteful number, since it uses less digits than its factorization.

22204204551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160622 (or 160619 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22204204551 its reverse (15540240222), we get a palindrome (37744444773).

The spelling of 22204204551 in words is "twenty-two billion, two hundred four million, two hundred four thousand, five hundred fifty-one".