2122610886 has 128 divisors (see below), whose sum is σ = 5285191680. Its totient is φ = 625996800.

The previous prime is 2122610881. The next prime is 2122610887. The reversal of 2122610886 is 6880162212.

2122610886 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2122610886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122610881) 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, 6012886 + ... + 6013238.

It is an arithmetic number, because the mean of its divisors is an integer number (41290560).

Almost surely, 2^2122610886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122610886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642595840).

2122610886 is an abundant number, since it is smaller than the sum of its proper divisors (3162580794).

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

2122610886 is a wasteful number, since it uses less digits than its factorization.

2122610886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 2122610886 is about 46071.8014190893. The cubic root of 2122610886 is about 1285.1588040753.

The spelling of 2122610886 in words is "two billion, one hundred twenty-two million, six hundred ten thousand, eight hundred eighty-six".