2220125 has 8 divisors (see below), whose sum is σ = 2770872. Its totient is φ = 1776000.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220125 is 5210222.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 2042041 = 422^2 + 1429^2 .

It is not a de Polignac number, because 2220125 - 2⁸ = 2219869 is a prime.

It is a Duffinian number.

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, 8756 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (346359).

2^2220125 is an apocalyptic number.

2220125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220125 is a deficient number, since it is larger than the sum of its proper divisors (550747).

2220125 is an equidigital number, since it uses as much as digits as its factorization.

2220125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2220125 is about 1490.0083892381. The cubic root of 2220125 is about 130.4545233809.

Adding to 2220125 its reverse (5210222), we get a palindrome (7430347).

It can be divided in two parts, 22201 and 25, that multiplied together give a square (555025 = 745²).

The spelling of 2220125 in words is "two million, two hundred twenty thousand, one hundred twenty-five".