22253221205 has 16 divisors (see below), whose sum is σ = 27162980208. Its totient is φ = 17496960000.

The previous prime is 22253221169. The next prime is 22253221229. The reversal of 22253221205 is 50212235222.

It can be written as a sum of positive squares in 8 ways, for example, as 15469886884 + 6783334321 = 124378^2 + 82361^2 .

It is not a de Polignac number, because 22253221205 - 2³⁰ = 21179479381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 368765 + ... + 424845.

It is an arithmetic number, because the mean of its divisors is an integer number (1697686263).

Almost surely, 2^22253221205 is an apocalyptic number.

It is an amenable number.

22253221205 is a deficient number, since it is larger than the sum of its proper divisors (4909759003).

22253221205 is a wasteful number, since it uses less digits than its factorization.

22253221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57448.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22253221205 its reverse (50212235222), we get a palindrome (72465456427).

The spelling of 22253221205 in words is "twenty-two billion, two hundred fifty-three million, two hundred twenty-one thousand, two hundred five".