6223919 has 4 divisors (see below), whose sum is σ = 6702696. Its totient is φ = 5745144.

The previous prime is 6223909. The next prime is 6223933. The reversal of 6223919 is 9193226.

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

It is a cyclic number.

It is not a de Polignac number, because 6223919 - 2²⁰ = 5175343 is a prime.

It is a super-2 number, since 2×6223919² = 77474335437122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6223909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239369 + ... + 239394.

It is an arithmetic number, because the mean of its divisors is an integer number (1675674).

Almost surely, 2^6223919 is an apocalyptic number.

6223919 is a deficient number, since it is larger than the sum of its proper divisors (478777).

6223919 is a wasteful number, since it uses less digits than its factorization.

6223919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478776.

The product of its digits is 5832, while the sum is 32.

The square root of 6223919 is about 2494.7783468677. The cubic root of 6223919 is about 183.9449957675.

The spelling of 6223919 in words is "six million, two hundred twenty-three thousand, nine hundred nineteen".