22241425 has 6 divisors (see below), whose sum is σ = 27579398. Its totient is φ = 17793120.

The previous prime is 22241413. The next prime is 22241441. The reversal of 22241425 is 52414222.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 21836929 = 636^2 + 4673^2 .

It is not a de Polignac number, because 22241425 - 2¹⁵ = 22208657 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 22241396 and 22241405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444804 + ... + 444853.

Almost surely, 2^22241425 is an apocalyptic number.

22241425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22241425 is a deficient number, since it is larger than the sum of its proper divisors (5337973).

22241425 is an equidigital number, since it uses as much as digits as its factorization.

22241425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889667 (or 889662 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 22241425 is about 4716.0815302537. The cubic root of 22241425 is about 281.2251797027.

Adding to 22241425 its reverse (52414222), we get a palindrome (74655647).

The spelling of 22241425 in words is "twenty-two million, two hundred forty-one thousand, four hundred twenty-five".