22484385557 has 4 divisors (see below), whose sum is σ = 22485297900. Its totient is φ = 22483473216.

The previous prime is 22484385523. The next prime is 22484385569. The reversal of 22484385557 is 75558348422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4603079716 + 17881305841 = 67846^2 + 133721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22484385557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22484385499 and 22484385508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22484385257) 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 3 ways as a sum of consecutive naturals, for example, 418148 + ... + 468845.

It is an arithmetic number, because the mean of its divisors is an integer number (5621324475).

Almost surely, 2^22484385557 is an apocalyptic number.

It is an amenable number.

22484385557 is a deficient number, since it is larger than the sum of its proper divisors (912343).

22484385557 is an equidigital number, since it uses as much as digits as its factorization.

22484385557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912342.

The product of its digits is 10752000, while the sum is 53.

The spelling of 22484385557 in words is "twenty-two billion, four hundred eighty-four million, three hundred eighty-five thousand, five hundred fifty-seven".