202220125 has 16 divisors (see below), whose sum is σ = 252778032. Its totient is φ = 161515200.

The previous prime is 202220107. The next prime is 202220129. The reversal of 202220125 is 521022202.

It can be written as a sum of positive squares in 8 ways, for example, as 166435801 + 35784324 = 12901^2 + 5982^2 .

It is not a de Polignac number, because 202220125 - 2⁹ = 202219613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220099 and 202220108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125827 + ... + 127423.

It is an arithmetic number, because the mean of its divisors is an integer number (15798627).

Almost surely, 2^202220125 is an apocalyptic number.

202220125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202220125 is a deficient number, since it is larger than the sum of its proper divisors (50557907).

202220125 is a wasteful number, since it uses less digits than its factorization.

202220125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 202220125 is about 14220.4122654725. The cubic root of 202220125 is about 586.9594847567.

Adding to 202220125 its reverse (521022202), we get a palindrome (723242327).

The spelling of 202220125 in words is "two hundred two million, two hundred twenty thousand, one hundred twenty-five".