22110025 has 18 divisors (see below), whose sum is σ = 31894350. Its totient is φ = 15160320.

The previous prime is 22110017. The next prime is 22110031. The reversal of 22110025 is 52001122.

It can be written as a sum of positive squares in 3 ways, for example, as 4293184 + 17816841 = 2072^2 + 4221^2 .

It is not a de Polignac number, because 22110025 - 2³ = 22110017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22109987 and 22110014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7800 + ... + 10249.

Almost surely, 2^22110025 is an apocalyptic number.

22110025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22110025 is a deficient number, since it is larger than the sum of its proper divisors (9784325).

22110025 is a wasteful number, since it uses less digits than its factorization.

22110025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18073 (or 18061 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22110025 is about 4702.1298365741. The cubic root of 22110025 is about 280.6702692168.

Adding to 22110025 its reverse (52001122), we get a palindrome (74111147).

The spelling of 22110025 in words is "twenty-two million, one hundred ten thousand, twenty-five".