22355012256 has 48 divisors (see below), whose sum is σ = 58704408000. Its totient is φ = 7448813568.

The previous prime is 22355012243. The next prime is 22355012261. The reversal of 22355012256 is 65221055322.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214845 + ... + 301443.

It is an arithmetic number, because the mean of its divisors is an integer number (1223008500).

Almost surely, 2^22355012256 is an apocalyptic number.

It is an amenable number.

22355012256 is an abundant number, since it is smaller than the sum of its proper divisors (36349395744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22355012256 is a wasteful number, since it uses less digits than its factorization.

22355012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89301 (or 89293 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 22355012256 its reverse (65221055322), we get a palindrome (87576067578).

The spelling of 22355012256 in words is "twenty-two billion, three hundred fifty-five million, twelve thousand, two hundred fifty-six".