2822785164 has 36 divisors (see below), whose sum is σ = 7148098776. Its totient is φ = 939250368.

The previous prime is 2822785159. The next prime is 2822785169. The reversal of 2822785164 is 4615872282.

It is an interprime number because it is at equal distance from previous prime (2822785159) and next prime (2822785169).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2822785169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49369 + ... + 89904.

Almost surely, 2^2822785164 is an apocalyptic number.

It is an amenable number.

2822785164 is an abundant number, since it is smaller than the sum of its proper divisors (4325313612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2822785164 is a wasteful number, since it uses less digits than its factorization.

2822785164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139846 (or 139841 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 2822785164 is about 53129.8895538095. The cubic root of 2822785164 is about 1413.2726096542.

The spelling of 2822785164 in words is "two billion, eight hundred twenty-two million, seven hundred eighty-five thousand, one hundred sixty-four".