22328785 has 8 divisors (see below), whose sum is σ = 26867520. Its totient is φ = 17814384.

The previous prime is 22328783. The next prime is 22328809. The reversal of 22328785 is 58782322.

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 22328785 - 2¹ = 22328783 is a prime.

It is a super-3 number, since 3×22328785³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22328783) 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, 3997 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (3358440).

Almost surely, 2^22328785 is an apocalyptic number.

It is an amenable number.

22328785 is a deficient number, since it is larger than the sum of its proper divisors (4538735).

22328785 is a wasteful number, since it uses less digits than its factorization.

22328785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12167.

The product of its digits is 53760, while the sum is 37.

The square root of 22328785 is about 4725.3343797027. The cubic root of 22328785 is about 281.5928979853.

The spelling of 22328785 in words is "twenty-two million, three hundred twenty-eight thousand, seven hundred eighty-five".