2205100125 has 32 divisors (see below), whose sum is σ = 4076991360. Its totient is φ = 1176051600.

The previous prime is 2205100109. The next prime is 2205100129. The reversal of 2205100125 is 5210015022.

2205100125 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2205100125 - 2⁴ = 2205100109 is a prime.

It is a super-2 number, since 2×2205100125² = 9724933122550031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2205100098 and 2205100107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205100129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323307 + ... + 330056.

It is an arithmetic number, because the mean of its divisors is an integer number (127405980).

Almost surely, 2^2205100125 is an apocalyptic number.

2205100125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2205100125 is a deficient number, since it is larger than the sum of its proper divisors (1871891235).

2205100125 is an equidigital number, since it uses as much as digits as its factorization.

2205100125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653387 (or 653371 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2205100125 is about 46958.4936406610. The cubic root of 2205100125 is about 1301.5956983333.

Adding to 2205100125 its reverse (5210015022), we get a palindrome (7415115147).

It can be divided in two parts, 2205100 and 125, that added together give a square (2205225 = 1485²).

The spelling of 2205100125 in words is "two billion, two hundred five million, one hundred thousand, one hundred twenty-five".