2122857752 has 8 divisors (see below), whose sum is σ = 3980358300. Its totient is φ = 1061428872.

The previous prime is 2122857733. The next prime is 2122857757. The reversal of 2122857752 is 2577582212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122857757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132678602 + ... + 132678617.

Almost surely, 2^2122857752 is an apocalyptic number.

It is an amenable number.

2122857752 is a deficient number, since it is larger than the sum of its proper divisors (1857500548).

2122857752 is a wasteful number, since it uses less digits than its factorization.

2122857752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265357225 (or 265357221 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 2122857752 is about 46074.4804854054. The cubic root of 2122857752 is about 1285.2086247493.

The spelling of 2122857752 in words is "two billion, one hundred twenty-two million, eight hundred fifty-seven thousand, seven hundred fifty-two".