2125226688 has 112 divisors (see below), whose sum is σ = 6082381536. Its totient is φ = 651018240.

The previous prime is 2125226659. The next prime is 2125226689. The reversal of 2125226688 is 8866225212.

It is not an unprimeable number, because it can be changed into a prime (2125226689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599770 + ... + 603302.

It is an arithmetic number, because the mean of its divisors is an integer number (54306978).

Almost surely, 2^2125226688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125226688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041190768).

2125226688 is an abundant number, since it is smaller than the sum of its proper divisors (3957154848).

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

2125226688 is a wasteful number, since it uses less digits than its factorization.

2125226688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 3792 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 2125226688 is about 46100.1809974755. The cubic root of 2125226688 is about 1285.6865096786.

The spelling of 2125226688 in words is "two billion, one hundred twenty-five million, two hundred twenty-six thousand, six hundred eighty-eight".