22000222105 has 4 divisors (see below), whose sum is σ = 26400266532. Its totient is φ = 17600177680.

The previous prime is 22000222099. The next prime is 22000222117. The reversal of 22000222105 is 50122200022.

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 14585634441 + 7414587664 = 120771^2 + 86108^2 .

It is not a de Polignac number, because 22000222105 - 2¹⁹ = 21999697817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200022206 + ... + 2200022215.

It is an arithmetic number, because the mean of its divisors is an integer number (6600066633).

Almost surely, 2^22000222105 is an apocalyptic number.

It is an amenable number.

22000222105 is a deficient number, since it is larger than the sum of its proper divisors (4400044427).

22000222105 is an equidigital number, since it uses as much as digits as its factorization.

22000222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400044426.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 22000222105 its reverse (50122200022), we get a palindrome (72122422127).

The spelling of 22000222105 in words is "twenty-two billion, two hundred twenty-two thousand, one hundred five".