2022663845 has 6 divisors (see below), whose sum is σ = 2427317298. Its totient is φ = 1618050624.

The previous prime is 2022663817. The next prime is 2022663869. The reversal of 2022663845 is 5483662202.

It can be written as a sum of positive squares in 3 ways, for example, as 90973444 + 1931690401 = 9538^2 + 43951^2 .

It is not a de Polignac number, because 2022663845 - 2¹⁰ = 2022662821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022663799 and 2022663808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90509 + ... + 110621.

It is an arithmetic number, because the mean of its divisors is an integer number (404552883).

Almost surely, 2^2022663845 is an apocalyptic number.

It is an amenable number.

2022663845 is a deficient number, since it is larger than the sum of its proper divisors (404653453).

2022663845 is an frugal number, since it uses more digits than its factorization.

2022663845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40231 (or 20118 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2022663845 is about 44974.0352314533. The cubic root of 2022663845 is about 1264.6622948312.

The spelling of 2022663845 in words is "two billion, twenty-two million, six hundred sixty-three thousand, eight hundred forty-five".