2206530125 has 16 divisors (see below), whose sum is σ = 2798902704. Its totient is φ = 1736280000.

The previous prime is 2206530089. The next prime is 2206530127. The reversal of 2206530125 is 5210356022.

It can be written as a sum of positive squares in 8 ways, for example, as 778521604 + 1428008521 = 27902^2 + 37789^2 .

It is not a de Polignac number, because 2206530125 - 2⁶ = 2206530061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2206530094 and 2206530103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206530127) 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, 137066 + ... + 152315.

It is an arithmetic number, because the mean of its divisors is an integer number (174931419).

Almost surely, 2^2206530125 is an apocalyptic number.

2206530125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2206530125 is a deficient number, since it is larger than the sum of its proper divisors (592372579).

2206530125 is an equidigital number, since it uses as much as digits as its factorization.

2206530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289457 (or 289447 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2206530125 is about 46973.7173853635. The cubic root of 2206530125 is about 1301.8769976761.

Adding to 2206530125 its reverse (5210356022), we get a palindrome (7416886147).

The spelling of 2206530125 in words is "two billion, two hundred six million, five hundred thirty thousand, one hundred twenty-five".