22708825 has 6 divisors (see below), whose sum is σ = 28158974. Its totient is φ = 18167040.

The previous prime is 22708823. The next prime is 22708837. The reversal of 22708825 is 52880722.

It can be written as a sum of positive squares in 3 ways, for example, as 7901721 + 14807104 = 2811^2 + 3848^2 .

It is not a de Polignac number, because 22708825 - 2¹ = 22708823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22708823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454152 + ... + 454201.

Almost surely, 2^22708825 is an apocalyptic number.

22708825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22708825 is a deficient number, since it is larger than the sum of its proper divisors (5450149).

22708825 is an equidigital number, since it uses as much as digits as its factorization.

22708825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908363 (or 908358 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 22708825 is about 4765.3777394872. The cubic root of 22708825 is about 283.1815065075.

The spelling of 22708825 in words is "twenty-two million, seven hundred eight thousand, eight hundred twenty-five".