2162265879 has 32 divisors (see below), whose sum is σ = 3055878144. Its totient is φ = 1358350560.

The previous prime is 2162265869. The next prime is 2162265881. The reversal of 2162265879 is 9785622612.

It is not a de Polignac number, because 2162265879 - 2¹³ = 2162257687 is a prime.

It is a super-3 number, since 3×2162265879³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162265869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427962 + ... + 432984.

It is an arithmetic number, because the mean of its divisors is an integer number (95496192).

Almost surely, 2^2162265879 is an apocalyptic number.

2162265879 is a deficient number, since it is larger than the sum of its proper divisors (893612265).

2162265879 is a wasteful number, since it uses less digits than its factorization.

2162265879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its digits is 725760, while the sum is 48.

The square root of 2162265879 is about 46500.1707416220. The cubic root of 2162265879 is about 1293.1126642341.

The spelling of 2162265879 in words is "two billion, one hundred sixty-two million, two hundred sixty-five thousand, eight hundred seventy-nine".