22000307 has 4 divisors (see below), whose sum is σ = 25143216. Its totient is φ = 18857400.

The previous prime is 22000291. The next prime is 22000327. The reversal of 22000307 is 70300022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22000307 - 2⁴ = 22000291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000291 and 22000300.

It is not an unprimeable number, because it can be changed into a prime (22000327) 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, 1571444 + ... + 1571457.

It is an arithmetic number, because the mean of its divisors is an integer number (6285804).

Almost surely, 2^22000307 is an apocalyptic number.

22000307 is a deficient number, since it is larger than the sum of its proper divisors (3142909).

22000307 is an equidigital number, since it uses as much as digits as its factorization.

22000307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142908.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 22000307 is about 4690.4484860192. The cubic root of 22000307 is about 280.2052364323.

Adding to 22000307 its reverse (70300022), we get a palindrome (92300329).

The spelling of 22000307 in words is "twenty-two million, three hundred seven", and thus it is an aban number.