22555505577 has 12 divisors (see below), whose sum is σ = 33056554160. Its totient is φ = 13670003160.

The previous prime is 22555505561. The next prime is 22555505597. The reversal of 22555505577 is 77550555522.

It is not a de Polignac number, because 22555505577 - 2⁴ = 22555505561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22555505507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31067827 + ... + 31068552.

Almost surely, 2^22555505577 is an apocalyptic number.

It is an amenable number.

22555505577 is a deficient number, since it is larger than the sum of its proper divisors (10501048583).

22555505577 is a wasteful number, since it uses less digits than its factorization.

22555505577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62136404 (or 62136393 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 22555505577 in words is "twenty-two billion, five hundred fifty-five million, five hundred five thousand, five hundred seventy-seven".