6221255 has 8 divisors (see below), whose sum is σ = 7592400. Its totient is φ = 4892416.

The previous prime is 6221239. The next prime is 6221263. The reversal of 6221255 is 5521226.

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

It is a cyclic number.

It is not a de Polignac number, because 6221255 - 2⁴ = 6221239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6221255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10250 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (949050).

Almost surely, 2^6221255 is an apocalyptic number.

6221255 is a deficient number, since it is larger than the sum of its proper divisors (1371145).

6221255 is a wasteful number, since it uses less digits than its factorization.

6221255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153.

The product of its digits is 1200, while the sum is 23.

The square root of 6221255 is about 2494.2443745551. The cubic root of 6221255 is about 183.9187476002.

The spelling of 6221255 in words is "six million, two hundred twenty-one thousand, two hundred fifty-five".