22000206005 has 32 divisors (see below), whose sum is σ = 28459607904. Its totient is φ = 16266756096.

The previous prime is 22000205987. The next prime is 22000206013. The reversal of 22000206005 is 50060200022.

It can be written as a sum of positive squares in 16 ways, for example, as 1284648964 + 20715557041 = 35842^2 + 143929^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000206005 - 2⁸ = 22000205749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1438157 + ... + 1453373.

It is an arithmetic number, because the mean of its divisors is an integer number (889362747).

Almost surely, 2^22000206005 is an apocalyptic number.

It is an amenable number.

22000206005 is a deficient number, since it is larger than the sum of its proper divisors (6459401899).

22000206005 is a wasteful number, since it uses less digits than its factorization.

22000206005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 22000206005 its reverse (50060200022), we get a palindrome (72060406027).

The spelling of 22000206005 in words is "twenty-two billion, two hundred six thousand, five".