22928785 has 8 divisors (see below), whose sum is σ = 30015936. Its totient is φ = 16675440.

The previous prime is 22928783. The next prime is 22928791. The reversal of 22928785 is 58782922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22928785 - 2¹ = 22928783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22928783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208389 + ... + 208498.

It is an arithmetic number, because the mean of its divisors is an integer number (3751992).

Almost surely, 2^22928785 is an apocalyptic number.

It is an amenable number.

22928785 is a deficient number, since it is larger than the sum of its proper divisors (7087151).

22928785 is a wasteful number, since it uses less digits than its factorization.

22928785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416903.

The product of its digits is 161280, while the sum is 43.

The square root of 22928785 is about 4788.4010901344. The cubic root of 22928785 is about 284.0928786016.

The spelling of 22928785 in words is "twenty-two million, nine hundred twenty-eight thousand, seven hundred eighty-five".