22985307 has 12 divisors (see below), whose sum is σ = 34948680. Its totient is φ = 14516928.

The previous prime is 22985239. The next prime is 22985323. The reversal of 22985307 is 70358922.

It is a happy number.

It is not a de Polignac number, because 22985307 - 2¹⁵ = 22952539 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22985357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67038 + ... + 67379.

It is an arithmetic number, because the mean of its divisors is an integer number (2912390).

Almost surely, 2^22985307 is an apocalyptic number.

22985307 is a deficient number, since it is larger than the sum of its proper divisors (11963373).

22985307 is a wasteful number, since it uses less digits than its factorization.

22985307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134442 (or 134439 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22985307 is about 4794.2994274451. The cubic root of 22985307 is about 284.3261272048.

The spelling of 22985307 in words is "twenty-two million, nine hundred eighty-five thousand, three hundred seven".