22256243436 has 48 divisors (see below), whose sum is σ = 59364297216. Its totient is φ = 6357393024.

The previous prime is 22256243369. The next prime is 22256243437. The reversal of 22256243436 is 63434265222.

It is a junction number, because it is equal to n+sod(n) for n = 22256243394 and 22256243403.

It is not an unprimeable number, because it can be changed into a prime (22256243437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344665 + ... + 404111.

It is an arithmetic number, because the mean of its divisors is an integer number (1236756192).

Almost surely, 2^22256243436 is an apocalyptic number.

It is an amenable number.

22256243436 is an abundant number, since it is smaller than the sum of its proper divisors (37108053780).

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

22256243436 is a wasteful number, since it uses less digits than its factorization.

22256243436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63918 (or 63916 counting only the distinct ones).

The product of its digits is 414720, while the sum is 39.

The spelling of 22256243436 in words is "twenty-two billion, two hundred fifty-six million, two hundred forty-three thousand, four hundred thirty-six".