2202220045 has 8 divisors (see below), whose sum is σ = 2645752824. Its totient is φ = 1759716864.

The previous prime is 2202220021. The next prime is 2202220079. The reversal of 2202220045 is 5400222022.

It can be written as a sum of positive squares in 4 ways, for example, as 811452196 + 1390767849 = 28486^2 + 37293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2202220045 - 2²¹ = 2200122893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252684 + ... + 261253.

It is an arithmetic number, because the mean of its divisors is an integer number (330719103).

Almost surely, 2^2202220045 is an apocalyptic number.

It is an amenable number.

2202220045 is a deficient number, since it is larger than the sum of its proper divisors (443532779).

2202220045 is an equidigital number, since it uses as much as digits as its factorization.

2202220045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514799.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2202220045 is about 46927.8173901152. The cubic root of 2202220045 is about 1301.0287803145.

Adding to 2202220045 its reverse (5400222022), we get a palindrome (7602442067).

The spelling of 2202220045 in words is "two billion, two hundred two million, two hundred twenty thousand, forty-five".