22421325535 has 24 divisors (see below), whose sum is σ = 32452824096. Its totient is φ = 14565424320.

The previous prime is 22421325533. The next prime is 22421325637. The reversal of 22421325535 is 53552312422.

It is not a de Polignac number, because 22421325535 - 2¹ = 22421325533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22421325535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421325533) 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 23 ways as a sum of consecutive naturals, for example, 874636 + ... + 899905.

It is an arithmetic number, because the mean of its divisors is an integer number (1352201004).

Almost surely, 2^22421325535 is an apocalyptic number.

22421325535 is a deficient number, since it is larger than the sum of its proper divisors (10031498561).

22421325535 is a wasteful number, since it uses less digits than its factorization.

22421325535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774591 (or 1774572 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

Adding to 22421325535 its reverse (53552312422), we get a palindrome (75973637957).

The spelling of 22421325535 in words is "twenty-two billion, four hundred twenty-one million, three hundred twenty-five thousand, five hundred thirty-five".