2022578879 has 4 divisors (see below), whose sum is σ = 2024264160. Its totient is φ = 2020893600.

The previous prime is 2022578869. The next prime is 2022578881. The reversal of 2022578879 is 9788752202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2022578879 - 2⁴ = 2022578863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022578869) 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, 840839 + ... + 843240.

It is an arithmetic number, because the mean of its divisors is an integer number (506066040).

Almost surely, 2^2022578879 is an apocalyptic number.

2022578879 is a deficient number, since it is larger than the sum of its proper divisors (1685281).

2022578879 is a wasteful number, since it uses less digits than its factorization.

2022578879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685280.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 2022578879 is about 44973.0906098302. The cubic root of 2022578879 is about 1264.6445863686.

The spelling of 2022578879 in words is "two billion, twenty-two million, five hundred seventy-eight thousand, eight hundred seventy-nine".