2122355125 has 24 divisors (see below), whose sum is σ = 2911400856. Its totient is φ = 1543520000.

The previous prime is 2122355093. The next prime is 2122355159. The reversal of 2122355125 is 5215532212.

It can be written as a sum of positive squares in 4 ways, for example, as 17288964 + 2105066161 = 4158^2 + 45881^2 .

It is not a de Polignac number, because 2122355125 - 2⁵ = 2122355093 is a prime.

It is a super-2 number, since 2×2122355125² = 9008782553227531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122355093 and 2122355102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55036 + ... + 85285.

It is an arithmetic number, because the mean of its divisors is an integer number (121308369).

Almost surely, 2^2122355125 is an apocalyptic number.

2122355125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122355125 is a deficient number, since it is larger than the sum of its proper divisors (789045731).

2122355125 is a wasteful number, since it uses less digits than its factorization.

2122355125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140358 (or 140337 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2122355125 is about 46069.0256571593. The cubic root of 2122355125 is about 1285.1071842038.

Adding to 2122355125 its reverse (5215532212), we get a palindrome (7337887337).

The spelling of 2122355125 in words is "two billion, one hundred twenty-two million, three hundred fifty-five thousand, one hundred twenty-five".