22422025 has 12 divisors (see below), whose sum is σ = 28052892. Its totient is φ = 17776640.

The previous prime is 22422007. The next prime is 22422041. The reversal of 22422025 is 52022422.

It can be written as a sum of positive squares in 6 ways, for example, as 322624 + 22099401 = 568^2 + 4701^2 .

It is not a de Polignac number, because 22422025 - 2⁹ = 22421513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22421993 and 22422011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (2337741).

Almost surely, 2^22422025 is an apocalyptic number.

22422025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22422025 is a deficient number, since it is larger than the sum of its proper divisors (5630867).

22422025 is a wasteful number, since it uses less digits than its factorization.

22422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060 (or 8055 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22422025 is about 4735.1900701028. The cubic root of 22422025 is about 281.9843099431.

Adding to 22422025 its reverse (52022422), we get a palindrome (74444447).

The spelling of 22422025 in words is "twenty-two million, four hundred twenty-two thousand, twenty-five".