2221325 has 6 divisors (see below), whose sum is σ = 2754474. Its totient is φ = 1777040.

The previous prime is 2221321. The next prime is 2221333. The reversal of 2221325 is 5231222.

It can be written as a sum of positive squares in 3 ways, for example, as 749956 + 1471369 = 866^2 + 1213^2 .

It is not a de Polignac number, because 2221325 - 2² = 2221321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44402 + ... + 44451.

It is an arithmetic number, because the mean of its divisors is an integer number (459079).

2^2221325 is an apocalyptic number.

2221325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2221325 is a deficient number, since it is larger than the sum of its proper divisors (533149).

2221325 is an equidigital number, since it uses as much as digits as its factorization.

2221325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88863 (or 88858 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 2221325 is about 1490.4110171359. The cubic root of 2221325 is about 130.4780231436.

Adding to 2221325 its reverse (5231222), we get a palindrome (7452547).

The spelling of 2221325 in words is "two million, two hundred twenty-one thousand, three hundred twenty-five".