2202161125 has 8 divisors (see below), whose sum is σ = 2748297240. Its totient is φ = 1761728800.

The previous prime is 2202161119. The next prime is 2202161141. The reversal of 2202161125 is 5211612022.

It can be written as a sum of positive squares in 4 ways, for example, as 44930209 + 2157230916 = 6703^2 + 46446^2 .

It is not a de Polignac number, because 2202161125 - 2⁹ = 2202160613 is a prime.

It is a super-2 number, since 2×2202161125² = 9699027240922531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2202161096 and 2202161105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8808520 + ... + 8808769.

It is an arithmetic number, because the mean of its divisors is an integer number (343537155).

Almost surely, 2^2202161125 is an apocalyptic number.

2202161125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2202161125 is a deficient number, since it is larger than the sum of its proper divisors (546136115).

2202161125 is an equidigital number, since it uses as much as digits as its factorization.

2202161125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17617304 (or 17617294 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2202161125 is about 46927.1896132722. The cubic root of 2202161125 is about 1301.0171772809.

Adding to 2202161125 its reverse (5211612022), we get a palindrome (7413773147).

The spelling of 2202161125 in words is "two billion, two hundred two million, one hundred sixty-one thousand, one hundred twenty-five".