22555233856 has 21 divisors (see below), whose sum is σ = 44760426481. Its totient is φ = 11277016192.

The previous prime is 22555233851. The next prime is 22555233917. The reversal of 22555233856 is 65833255522.

It is a happy number.

The square root of 22555233856 is 150184.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22536014400 + 19219456 = 150120^2 + 4384^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22555233851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1192086 + ... + 1210858.

Almost surely, 2^22555233856 is an apocalyptic number.

22555233856 is the 150184-th square number.

It is an amenable number.

22555233856 is a deficient number, since it is larger than the sum of its proper divisors (22205192625).

22555233856 is an frugal number, since it uses more digits than its factorization.

22555233856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37558 (or 18775 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

The spelling of 22555233856 in words is "twenty-two billion, five hundred fifty-five million, two hundred thirty-three thousand, eight hundred fifty-six".