22966385 has 8 divisors (see below), whose sum is σ = 29679720. Its totient is φ = 16959744.

The previous prime is 22966379. The next prime is 22966387. The reversal of 22966385 is 58366922.

It can be written as a sum of positive squares in 4 ways, for example, as 394384 + 22572001 = 628^2 + 4751^2 .

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 22966385 - 2⁴ = 22966369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22966387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176600 + ... + 176729.

It is an arithmetic number, because the mean of its divisors is an integer number (3709965).

Almost surely, 2^22966385 is an apocalyptic number.

It is an amenable number.

22966385 is a deficient number, since it is larger than the sum of its proper divisors (6713335).

22966385 is a wasteful number, since it uses less digits than its factorization.

22966385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353347.

The product of its digits is 155520, while the sum is 41.

The square root of 22966385 is about 4792.3256358474. The cubic root of 22966385 is about 284.2480846539.

The spelling of 22966385 in words is "twenty-two million, nine hundred sixty-six thousand, three hundred eighty-five".