22408325 has 12 divisors (see below), whose sum is σ = 28995168. Its totient is φ = 17146800.

The previous prime is 22408313. The next prime is 22408327. The reversal of 22408325 is 52380422.

It is not a de Polignac number, because 22408325 - 2¹² = 22404229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22408294 and 22408303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18911 + ... + 20060.

It is an arithmetic number, because the mean of its divisors is an integer number (2416264).

Almost surely, 2^22408325 is an apocalyptic number.

22408325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22408325 is a deficient number, since it is larger than the sum of its proper divisors (6586843).

22408325 is a wasteful number, since it uses less digits than its factorization.

22408325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39004 (or 38999 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22408325 is about 4733.7432334253. The cubic root of 22408325 is about 281.9268668393.

Adding to 22408325 its reverse (52380422), we get a palindrome (74788747).

The spelling of 22408325 in words is "twenty-two million, four hundred eight thousand, three hundred twenty-five".