22380425 has 24 divisors (see below), whose sum is σ = 28807680. Its totient is φ = 17236800.

The previous prime is 22380409. The next prime is 22380427. The reversal of 22380425 is 52408322.

It is not a de Polignac number, because 22380425 - 2⁴ = 22380409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22380394 and 22380403.

It is not an unprimeable number, because it can be changed into a prime (22380427) 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, 117080 + ... + 117270.

It is an arithmetic number, because the mean of its divisors is an integer number (1200320).

Almost surely, 2^22380425 is an apocalyptic number.

22380425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22380425 is a deficient number, since it is larger than the sum of its proper divisors (6427255).

22380425 is a wasteful number, since it uses less digits than its factorization.

22380425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 348 counting only the distinct ones).

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

The square root of 22380425 is about 4730.7953876700. The cubic root of 22380425 is about 281.8098117370.

Adding to 22380425 its reverse (52408322), we get a palindrome (74788747).

The spelling of 22380425 in words is "twenty-two million, three hundred eighty thousand, four hundred twenty-five".