22245305 has 8 divisors (see below), whose sum is σ = 26719872. Its totient is φ = 17779248.

The previous prime is 22245287. The next prime is 22245323. The reversal of 22245305 is 50354222.

It is an interprime number because it is at equal distance from previous prime (22245287) and next prime (22245323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22245305 - 2⁸ = 22245049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (3339984).

Almost surely, 2^22245305 is an apocalyptic number.

It is an amenable number.

22245305 is a deficient number, since it is larger than the sum of its proper divisors (4474567).

22245305 is a wasteful number, since it uses less digits than its factorization.

22245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22245305 is about 4716.4928707674. The cubic root of 22245305 is about 281.2415319261.

Adding to 22245305 its reverse (50354222), we get a palindrome (72599527).

The spelling of 22245305 in words is "twenty-two million, two hundred forty-five thousand, three hundred five".