22003385 has 8 divisors (see below), whose sum is σ = 26612736. Its totient is φ = 17463600.

The previous prime is 22003363. The next prime is 22003409. The reversal of 22003385 is 58330022.

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

It is not a de Polignac number, because 22003385 - 2⁸ = 22003129 is a prime.

It is a Duffinian number.

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 22003385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16691 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (3326592).

Almost surely, 2^22003385 is an apocalyptic number.

It is an amenable number.

22003385 is a deficient number, since it is larger than the sum of its proper divisors (4609351).

22003385 is a wasteful number, since it uses less digits than its factorization.

22003385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34783.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22003385 is about 4690.7765881568. The cubic root of 22003385 is about 280.2183033939.

The spelling of 22003385 in words is "twenty-two million, three thousand, three hundred eighty-five".