22720224855 has 24 divisors (see below), whose sum is σ = 38616527952. Its totient is φ = 11404659712.

The previous prime is 22720224853. The next prime is 22720224869. The reversal of 22720224855 is 55842202722.

It is not a de Polignac number, because 22720224855 - 2¹ = 22720224853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22720224853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2616222 + ... + 2624891.

It is an arithmetic number, because the mean of its divisors is an integer number (1609021998).

Almost surely, 2^22720224855 is an apocalyptic number.

22720224855 is a deficient number, since it is larger than the sum of its proper divisors (15896303097).

22720224855 is a wasteful number, since it uses less digits than its factorization.

22720224855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241155 (or 5241138 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 39.

The spelling of 22720224855 in words is "twenty-two billion, seven hundred twenty million, two hundred twenty-four thousand, eight hundred fifty-five".