22085307 has 6 divisors (see below), whose sum is σ = 31901012. Its totient is φ = 14723532.

The previous prime is 22085303. The next prime is 22085309. The reversal of 22085307 is 70358022.

It is not a de Polignac number, because 22085307 - 2² = 22085303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22085303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226953 + ... + 1226970.

Almost surely, 2^22085307 is an apocalyptic number.

22085307 is a deficient number, since it is larger than the sum of its proper divisors (9815705).

22085307 is a wasteful number, since it uses less digits than its factorization.

22085307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453929 (or 2453926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22085307 is about 4699.5007181615. The cubic root of 22085307 is about 280.5656380275.

The spelling of 22085307 in words is "twenty-two million, eighty-five thousand, three hundred seven".