22400085 has 8 divisors (see below), whose sum is σ = 35840160. Its totient is φ = 11946704.

The previous prime is 22400071. The next prime is 22400087. The reversal of 22400085 is 58000422.

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 22400085 - 2¹¹ = 22398037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400087) 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, 746655 + ... + 746684.

It is an arithmetic number, because the mean of its divisors is an integer number (4480020).

Almost surely, 2^22400085 is an apocalyptic number.

It is an amenable number.

22400085 is a deficient number, since it is larger than the sum of its proper divisors (13440075).

22400085 is a wasteful number, since it uses less digits than its factorization.

22400085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493347.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22400085 is about 4732.8728062351. The cubic root of 22400085 is about 281.8923058419.

The spelling of 22400085 in words is "twenty-two million, four hundred thousand, eighty-five".