22210385 has 16 divisors (see below), whose sum is σ = 27276480. Its totient is φ = 17357760.

The previous prime is 22210379. The next prime is 22210421. The reversal of 22210385 is 58301222.

It is not a de Polignac number, because 22210385 - 2⁴ = 22210369 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22210385.

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 15 ways as a sum of consecutive naturals, for example, 44990 + ... + 45480.

It is an arithmetic number, because the mean of its divisors is an integer number (1704780).

Almost surely, 2^22210385 is an apocalyptic number.

It is an amenable number.

22210385 is a deficient number, since it is larger than the sum of its proper divisors (5066095).

22210385 is a wasteful number, since it uses less digits than its factorization.

22210385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 22210385 is about 4712.7895136532. The cubic root of 22210385 is about 281.0942934016.

The spelling of 22210385 in words is "twenty-two million, two hundred ten thousand, three hundred eighty-five".