22205475497 has 4 divisors (see below), whose sum is σ = 23511679956. Its totient is φ = 20899271040.

The previous prime is 22205475437. The next prime is 22205475521. The reversal of 22205475497 is 79457450222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16797196816 + 5408278681 = 129604^2 + 73541^2 .

It is a cyclic number.

It is not a de Polignac number, because 22205475497 - 2⁸ = 22205475241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22205475437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653102204 + ... + 653102237.

It is an arithmetic number, because the mean of its divisors is an integer number (5877919989).

Almost surely, 2^22205475497 is an apocalyptic number.

It is an amenable number.

22205475497 is a deficient number, since it is larger than the sum of its proper divisors (1306204459).

22205475497 is a wasteful number, since it uses less digits than its factorization.

22205475497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306204458.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 22205475497 in words is "twenty-two billion, two hundred five million, four hundred seventy-five thousand, four hundred ninety-seven".