22425317 has 4 divisors (see below), whose sum is σ = 22946880. Its totient is φ = 21903756.

The previous prime is 22425313. The next prime is 22425331. The reversal of 22425317 is 71352422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22425317 - 2² = 22425313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260717 + ... + 260802.

It is an arithmetic number, because the mean of its divisors is an integer number (5736720).

Almost surely, 2^22425317 is an apocalyptic number.

It is an amenable number.

22425317 is a deficient number, since it is larger than the sum of its proper divisors (521563).

22425317 is an equidigital number, since it uses as much as digits as its factorization.

22425317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521562.

The product of its digits is 3360, while the sum is 26.

The square root of 22425317 is about 4735.5376674671. The cubic root of 22425317 is about 281.9981095727.

Adding to 22425317 its reverse (71352422), we get a palindrome (93777739).

The spelling of 22425317 in words is "twenty-two million, four hundred twenty-five thousand, three hundred seventeen".