22557420577 has 8 divisors (see below), whose sum is σ = 22985544960. Its totient is φ = 22129389360.

The previous prime is 22557420569. The next prime is 22557420601. The reversal of 22557420577 is 77502475522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22557420577 - 2³ = 22557420569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22557420517) 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 7 ways as a sum of consecutive naturals, for example, 646074 + ... + 680092.

It is an arithmetic number, because the mean of its divisors is an integer number (2873193120).

Almost surely, 2^22557420577 is an apocalyptic number.

It is an amenable number.

22557420577 is a deficient number, since it is larger than the sum of its proper divisors (428124383).

22557420577 is a wasteful number, since it uses less digits than its factorization.

22557420577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46583.

The product of its (nonzero) digits is 1372000, while the sum is 46.

Subtracting 22557420577 from its reverse (77502475522), we obtain a palindrome (54945054945).

The spelling of 22557420577 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty thousand, five hundred seventy-seven".