6223985 has 4 divisors (see below), whose sum is σ = 7468788. Its totient is φ = 4979184.

The previous prime is 6223967. The next prime is 6223993. The reversal of 6223985 is 5893226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 2347024 = 1969^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 6223985 - 2²⁰ = 5175409 is a prime.

It is a d-powerful number, because it can be written as 6² + 2¹⁰ + 2²⁰ + 3⁵ + 9⁷ + 8³ + 5⁸ .

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622394 + ... + 622403.

It is an arithmetic number, because the mean of its divisors is an integer number (1867197).

Almost surely, 2^6223985 is an apocalyptic number.

It is an amenable number.

6223985 is a deficient number, since it is larger than the sum of its proper divisors (1244803).

6223985 is a wasteful number, since it uses less digits than its factorization.

6223985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244802.

The product of its digits is 25920, while the sum is 35.

The square root of 6223985 is about 2494.7915744607. The cubic root of 6223985 is about 183.9456459648.

The spelling of 6223985 in words is "six million, two hundred twenty-three thousand, nine hundred eighty-five".