2221031033 has 16 divisors (see below), whose sum is σ = 2480058000. Its totient is φ = 1974927360.

The previous prime is 2221031023. The next prime is 2221031047. The reversal of 2221031033 is 3301301222.

It can be written as a sum of positive squares in 8 ways, for example, as 229461904 + 1991569129 = 15148^2 + 44627^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221031033 - 2²⁴ = 2204253817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221031003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162713 + ... + 175833.

It is an arithmetic number, because the mean of its divisors is an integer number (155003625).

Almost surely, 2^2221031033 is an apocalyptic number.

It is an amenable number.

2221031033 is a deficient number, since it is larger than the sum of its proper divisors (259026967).

2221031033 is a wasteful number, since it uses less digits than its factorization.

2221031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13612.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2221031033 is about 47127.8159158686. The cubic root of 2221031033 is about 1304.7226713082.

Adding to 2221031033 its reverse (3301301222), we get a palindrome (5522332255).

The spelling of 2221031033 in words is "two billion, two hundred twenty-one million, thirty-one thousand, thirty-three".