22305685 has 8 divisors (see below), whose sum is σ = 26798976. Its totient is φ = 17823120.

The previous prime is 22305659. The next prime is 22305697. The reversal of 22305685 is 58650322.

It is a happy number.

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

It is not a de Polignac number, because 22305685 - 2¹⁵ = 22272917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2992 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (3349872).

Almost surely, 2^22305685 is an apocalyptic number.

It is an amenable number.

22305685 is a deficient number, since it is larger than the sum of its proper divisors (4493291).

22305685 is a wasteful number, since it uses less digits than its factorization.

22305685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22305685 is about 4722.8894757341. The cubic root of 22305685 is about 281.4957581964.

The spelling of 22305685 in words is "twenty-two million, three hundred five thousand, six hundred eighty-five".