22205424051 has 32 divisors (see below), whose sum is σ = 34661068800. Its totient is φ = 14011224480.

The previous prime is 22205423971. The next prime is 22205424053. The reversal of 22205424051 is 15042450222.

It is not a de Polignac number, because 22205424051 - 2¹⁹ = 22204899763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22205424053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537721 + ... + 577541.

It is an arithmetic number, because the mean of its divisors is an integer number (1083158400).

Almost surely, 2^22205424051 is an apocalyptic number.

22205424051 is a deficient number, since it is larger than the sum of its proper divisors (12455644749).

22205424051 is a wasteful number, since it uses less digits than its factorization.

22205424051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936 (or 40930 counting only the distinct ones).

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

Adding to 22205424051 its reverse (15042450222), we get a palindrome (37247874273).

The spelling of 22205424051 in words is "twenty-two billion, two hundred five million, four hundred twenty-four thousand, fifty-one".