2045222441 has 4 divisors (see below), whose sum is σ = 2051757012. Its totient is φ = 2038687872.

The previous prime is 2045222411. The next prime is 2045222449. The reversal of 2045222441 is 1442225402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1442225402 = 2 ⋅721112701.

It can be written as a sum of positive squares in 2 ways, for example, as 4080400 + 2041142041 = 2020^2 + 45179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045222441 - 2¹⁴ = 2045206057 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 2045222441.

It is not an unprimeable number, because it can be changed into a prime (2045222449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266816 + ... + 3267441.

It is an arithmetic number, because the mean of its divisors is an integer number (512939253).

Almost surely, 2^2045222441 is an apocalyptic number.

It is an amenable number.

2045222441 is a deficient number, since it is larger than the sum of its proper divisors (6534571).

2045222441 is an equidigital number, since it uses as much as digits as its factorization.

2045222441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534570.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2045222441 is about 45224.1356025740. The cubic root of 2045222441 is about 1269.3464802682.

Adding to 2045222441 its reverse (1442225402), we get a palindrome (3487447843).

The spelling of 2045222441 in words is "two billion, forty-five million, two hundred twenty-two thousand, four hundred forty-one".