2022171879 has 64 divisors (see below), whose sum is σ = 3595705344. Its totient is φ = 980453376.

The previous prime is 2022171863. The next prime is 2022171929. The reversal of 2022171879 is 9781712202.

It is not a de Polignac number, because 2022171879 - 2⁴ = 2022171863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022171839) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194497 + ... + 204629.

It is an arithmetic number, because the mean of its divisors is an integer number (56182896).

Almost surely, 2^2022171879 is an apocalyptic number.

2022171879 is a deficient number, since it is larger than the sum of its proper divisors (1573533465).

2022171879 is a wasteful number, since it uses less digits than its factorization.

2022171879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 2022171879 is about 44968.5654541036. The cubic root of 2022171879 is about 1264.5597532741.

The spelling of 2022171879 in words is "two billion, twenty-two million, one hundred seventy-one thousand, eight hundred seventy-nine".