22203204205005 has 24 divisors (see below), whose sum is σ = 38485663782072. Its totient is φ = 11841675116544.

The previous prime is 22203204204983. The next prime is 22203204205111. The reversal of 22203204205005 is 50050240230222.

It can be written as a sum of positive squares in 4 ways, for example, as 2625313759524 + 19577890445481 = 1620282^2 + 4424691^2 .

It is not a de Polignac number, because 22203204205005 - 2¹¹ = 22203204202957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22203204205005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29177517 + ... + 29928813.

It is an arithmetic number, because the mean of its divisors is an integer number (1603569324253).

Almost surely, 2^{22203204205005} is an apocalyptic number.

It is an amenable number.

22203204205005 is a deficient number, since it is larger than the sum of its proper divisors (16282459577067).

22203204205005 is a wasteful number, since it uses less digits than its factorization.

22203204205005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408045 (or 1408042 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 22203204205005 its reverse (50050240230222), we get a palindrome (72253444435227).

The spelling of 22203204205005 in words is "twenty-two trillion, two hundred three billion, two hundred four million, two hundred five thousand, five".