6221355 has 32 divisors (see below), whose sum is σ = 11472384. Its totient is φ = 2820096.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221355 is 5531226.

It is not a de Polignac number, because 6221355 - 2¹² = 6217259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20112 + ... + 20418.

It is an arithmetic number, because the mean of its divisors is an integer number (358512).

Almost surely, 2^6221355 is an apocalyptic number.

6221355 is a deficient number, since it is larger than the sum of its proper divisors (5251029).

6221355 is a wasteful number, since it uses less digits than its factorization.

6221355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 1800, while the sum is 24.

The square root of 6221355 is about 2494.2644206258. The cubic root of 6221355 is about 183.9197330271.

The spelling of 6221355 in words is "six million, two hundred twenty-one thousand, three hundred fifty-five".