133222105 has 4 divisors (see below), whose sum is σ = 159866532. Its totient is φ = 106577680.

The previous prime is 133222099. The next prime is 133222121. The reversal of 133222105 is 501222331.

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 64464841 + 68757264 = 8029^2 + 8292^2 .

It is not a de Polignac number, because 133222105 - 2⁵ = 133222073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 13322206 + ... + 13322215.

It is an arithmetic number, because the mean of its divisors is an integer number (39966633).

Almost surely, 2^133222105 is an apocalyptic number.

It is an amenable number.

133222105 is a deficient number, since it is larger than the sum of its proper divisors (26644427).

133222105 is an equidigital number, since it uses as much as digits as its factorization.

133222105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26644426.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 133222105 is about 11542.1880507987. The cubic root of 133222105 is about 510.7308565400.

Adding to 133222105 its reverse (501222331), we get a palindrome (634444436).

The spelling of 133222105 in words is "one hundred thirty-three million, two hundred twenty-two thousand, one hundred five".