22016625 has 16 divisors (see below), whose sum is σ = 36636288. Its totient is φ = 11742000.

The previous prime is 22016569. The next prime is 22016639. The reversal of 22016625 is 52661022.

It is not a de Polignac number, because 22016625 - 2¹⁰ = 22015601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22016595 and 22016604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28981 + ... + 29730.

It is an arithmetic number, because the mean of its divisors is an integer number (2289768).

Almost surely, 2^22016625 is an apocalyptic number.

22016625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22016625 is a deficient number, since it is larger than the sum of its proper divisors (14619663).

22016625 is an equidigital number, since it uses as much as digits as its factorization.

22016625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58729 (or 58719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22016625 is about 4692.1876560939. The cubic root of 22016625 is about 280.2744969664.

Adding to 22016625 its reverse (52661022), we get a palindrome (74677647).

The spelling of 22016625 in words is "twenty-two million, sixteen thousand, six hundred twenty-five".