22212325 has 6 divisors (see below), whose sum is σ = 27543314. Its totient is φ = 17769840.

The previous prime is 22212301. The next prime is 22212329. The reversal of 22212325 is 52321222.

It can be written as a sum of positive squares in 3 ways, for example, as 5963364 + 16248961 = 2442^2 + 4031^2 .

It is not a de Polignac number, because 22212325 - 2¹⁷ = 22081253 is a prime.

It is a super-3 number, since 3×22212325³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212329) 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, 444222 + ... + 444271.

Almost surely, 2^22212325 is an apocalyptic number.

22212325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22212325 is a deficient number, since it is larger than the sum of its proper divisors (5330989).

22212325 is an equidigital number, since it uses as much as digits as its factorization.

22212325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888503 (or 888498 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 22212325 is about 4712.9953320579. The cubic root of 22212325 is about 281.1024773667.

Adding to 22212325 its reverse (52321222), we get a palindrome (74533547).

The spelling of 22212325 in words is "twenty-two million, two hundred twelve thousand, three hundred twenty-five".