22304025 has 48 divisors (see below), whose sum is σ = 41425920. Its totient is φ = 11764800.

The previous prime is 22303993. The next prime is 22304027. The reversal of 22304025 is 52040322.

It is not a de Polignac number, because 22304025 - 2⁵ = 22303993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22303989 and 22304007.

It is not an unprimeable number, because it can be changed into a prime (22304027) 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 47 ways as a sum of consecutive naturals, for example, 116680 + ... + 116870.

It is an arithmetic number, because the mean of its divisors is an integer number (863040).

Almost surely, 2^22304025 is an apocalyptic number.

22304025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22304025 is a deficient number, since it is larger than the sum of its proper divisors (19121895).

22304025 is a wasteful number, since it uses less digits than its factorization.

22304025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22304025 is about 4722.7137325906. The cubic root of 22304025 is about 281.4887750057.

Adding to 22304025 its reverse (52040322), we get a palindrome (74344347).

The spelling of 22304025 in words is "twenty-two million, three hundred four thousand, twenty-five".