2022217845 has 16 divisors (see below), whose sum is σ = 3376225152. Its totient is φ = 1031624000.

The previous prime is 2022217843. The next prime is 2022217853. The reversal of 2022217845 is 5487122202.

It is not a de Polignac number, because 2022217845 - 2¹ = 2022217843 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022217843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2930406 + ... + 2931095.

It is an arithmetic number, because the mean of its divisors is an integer number (211014072).

Almost surely, 2^2022217845 is an apocalyptic number.

It is an amenable number.

2022217845 is a deficient number, since it is larger than the sum of its proper divisors (1354007307).

2022217845 is a wasteful number, since it uses less digits than its factorization.

2022217845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861532.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2022217845 is about 44969.0765415524. The cubic root of 2022217845 is about 1264.5693347730.

The spelling of 2022217845 in words is "two billion, twenty-two million, two hundred seventeen thousand, eight hundred forty-five".