13522222205 has 24 divisors (see below), whose sum is σ = 16701011208. Its totient is φ = 10510311168.

The previous prime is 13522222201. The next prime is 13522222223. The reversal of 13522222205 is 50222222531.

It can be written as a sum of positive squares in 12 ways, for example, as 16760836 + 13505461369 = 4094^2 + 116213^2 .

It is not a de Polignac number, because 13522222205 - 2² = 13522222201 is a prime.

It is a super-2 number, since 2×13522222205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522222201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8466467 + ... + 8468063.

It is an arithmetic number, because the mean of its divisors is an integer number (695875467).

Almost surely, 2^13522222205 is an apocalyptic number.

It is an amenable number.

13522222205 is a deficient number, since it is larger than the sum of its proper divisors (3178789003).

13522222205 is a wasteful number, since it uses less digits than its factorization.

13522222205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913 (or 2876 counting only the distinct ones).

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

Adding to 13522222205 its reverse (50222222531), we get a palindrome (63744444736).

The spelling of 13522222205 in words is "thirteen billion, five hundred twenty-two million, two hundred twenty-two thousand, two hundred five".