22557313357 has 4 divisors (see below), whose sum is σ = 22560523200. Its totient is φ = 22554103516.

The previous prime is 22557313349. The next prime is 22557313381. The reversal of 22557313357 is 75331375522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22557313357 - 2³ = 22557313349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557313307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594357 + ... + 1608442.

It is an arithmetic number, because the mean of its divisors is an integer number (5640130800).

Almost surely, 2^22557313357 is an apocalyptic number.

It is an amenable number.

22557313357 is a deficient number, since it is larger than the sum of its proper divisors (3209843).

22557313357 is an equidigital number, since it uses as much as digits as its factorization.

22557313357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209842.

The product of its digits is 661500, while the sum is 43.

Adding to 22557313357 its reverse (75331375522), we get a palindrome (97888688879).

The spelling of 22557313357 in words is "twenty-two billion, five hundred fifty-seven million, three hundred thirteen thousand, three hundred fifty-seven".