22404325 has 24 divisors (see below), whose sum is σ = 29596320. Its totient is φ = 16776000.

The previous prime is 22404307. The next prime is 22404329. The reversal of 22404325 is 52340422.

It is a de Polignac number, because none of the positive numbers 2^k-22404325 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22404296 and 22404305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47742 + ... + 48208.

It is an arithmetic number, because the mean of its divisors is an integer number (1233180).

Almost surely, 2^22404325 is an apocalyptic number.

22404325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22404325 is a deficient number, since it is larger than the sum of its proper divisors (7191995).

22404325 is a wasteful number, since it uses less digits than its factorization.

22404325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22404325 is about 4733.3207159456. The cubic root of 22404325 is about 281.9100907145.

Adding to 22404325 its reverse (52340422), we get a palindrome (74744747).

The spelling of 22404325 in words is "twenty-two million, four hundred four thousand, three hundred twenty-five".