2221050245 has 16 divisors (see below), whose sum is σ = 2744280048. Its totient is φ = 1724405760.

The previous prime is 2221050241. The next prime is 2221050313. The reversal of 2221050245 is 5420501222.

It can be written as a sum of positive squares in 8 ways, for example, as 5841889 + 2215208356 = 2417^2 + 47066^2 .

It is not a de Polignac number, because 2221050245 - 2² = 2221050241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221050245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221050241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58325 + ... + 88565.

It is an arithmetic number, because the mean of its divisors is an integer number (171517503).

Almost surely, 2^2221050245 is an apocalyptic number.

It is an amenable number.

2221050245 is a deficient number, since it is larger than the sum of its proper divisors (523229803).

2221050245 is a wasteful number, since it uses less digits than its factorization.

2221050245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30680.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2221050245 is about 47128.0197440970. The cubic root of 2221050245 is about 1304.7264332637.

Adding to 2221050245 its reverse (5420501222), we get a palindrome (7641551467).

The spelling of 2221050245 in words is "two billion, two hundred twenty-one million, fifty thousand, two hundred forty-five".