2042202245 has 4 divisors (see below), whose sum is σ = 2450642700. Its totient is φ = 1633761792.

The previous prime is 2042202241. The next prime is 2042202247. The reversal of 2042202245 is 5422022402.

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 1418501569 + 623700676 = 37663^2 + 24974^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042202245 - 2² = 2042202241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042202245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042202241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204220220 + ... + 204220229.

It is an arithmetic number, because the mean of its divisors is an integer number (612660675).

Almost surely, 2^2042202245 is an apocalyptic number.

It is an amenable number.

2042202245 is a deficient number, since it is larger than the sum of its proper divisors (408440455).

2042202245 is an equidigital number, since it uses as much as digits as its factorization.

2042202245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408440454.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2042202245 is about 45190.7318484665. The cubic root of 2042202245 is about 1268.7213544941.

Adding to 2042202245 its reverse (5422022402), we get a palindrome (7464224647).

The spelling of 2042202245 in words is "two billion, forty-two million, two hundred two thousand, two hundred forty-five".