22224445555 has 16 divisors (see below), whose sum is σ = 28890781920. Its totient is φ = 16411890144.

The previous prime is 22224445501. The next prime is 22224445571. The reversal of 22224445555 is 55554442222.

It is not a de Polignac number, because 22224445555 - 2²⁵ = 22190891123 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000597 + ... + 1022566.

It is an arithmetic number, because the mean of its divisors is an integer number (1805673870).

Almost surely, 2^22224445555 is an apocalyptic number.

22224445555 is a deficient number, since it is larger than the sum of its proper divisors (6666336365).

22224445555 is an equidigital number, since it uses as much as digits as its factorization.

22224445555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023207 (or 2023181 counting only the distinct ones).

The product of its digits is 640000, while the sum is 40.

Adding to 22224445555 its reverse (55554442222), we get a palindrome (77778887777).

The spelling of 22224445555 in words is "twenty-two billion, two hundred twenty-four million, four hundred forty-five thousand, five hundred fifty-five".