33045221305 has 16 divisors (see below), whose sum is σ = 40510471680. Its totient is φ = 25865720512.

The previous prime is 33045221291. The next prime is 33045221347. The reversal of 33045221305 is 50312254033.

It is a cyclic number.

It is not a de Polignac number, because 33045221305 - 2⁷ = 33045221177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808911 + ... + 848779.

It is an arithmetic number, because the mean of its divisors is an integer number (2531904480).

Almost surely, 2^33045221305 is an apocalyptic number.

It is an amenable number.

33045221305 is a deficient number, since it is larger than the sum of its proper divisors (7465250375).

33045221305 is a wasteful number, since it uses less digits than its factorization.

33045221305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43448.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 33045221305 its reverse (50312254033), we get a palindrome (83357475338).

The spelling of 33045221305 in words is "thirty-three billion, forty-five million, two hundred twenty-one thousand, three hundred five".