22916385 has 16 divisors (see below), whose sum is σ = 40740480. Its totient is φ = 12222000.

The previous prime is 22916381. The next prime is 22916389. The reversal of 22916385 is 58361922.

It is an interprime number because it is at equal distance from previous prime (22916381) and next prime (22916389).

It is not a de Polignac number, because 22916385 - 2² = 22916381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22916381) 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 15 ways as a sum of consecutive naturals, for example, 84741 + ... + 85010.

It is an arithmetic number, because the mean of its divisors is an integer number (2546280).

Almost surely, 2^22916385 is an apocalyptic number.

It is an amenable number.

22916385 is a deficient number, since it is larger than the sum of its proper divisors (17824095).

22916385 is a wasteful number, since it uses less digits than its factorization.

22916385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169765 (or 169759 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22916385 is about 4787.1061195674. The cubic root of 22916385 is about 284.0416564235.

The spelling of 22916385 in words is "twenty-two million, nine hundred sixteen thousand, three hundred eighty-five".