22205135425 has 48 divisors (see below), whose sum is σ = 31199878080. Its totient is φ = 15528800000.

The previous prime is 22205135423. The next prime is 22205135471. The reversal of 22205135425 is 52453150222.

It is not a de Polignac number, because 22205135425 - 2¹ = 22205135423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22205135423) 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 47 ways as a sum of consecutive naturals, for example, 1996179 + ... + 2007271.

It is an arithmetic number, because the mean of its divisors is an integer number (649997460).

Almost surely, 2^22205135425 is an apocalyptic number.

22205135425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22205135425 is a deficient number, since it is larger than the sum of its proper divisors (8994742655).

22205135425 is a wasteful number, since it uses less digits than its factorization.

22205135425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11394 (or 11389 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 22205135425 its reverse (52453150222), we get a palindrome (74658285647).

The spelling of 22205135425 in words is "twenty-two billion, two hundred five million, one hundred thirty-five thousand, four hundred twenty-five".