6220915 has 4 divisors (see below), whose sum is σ = 7465104. Its totient is φ = 4976728.

The previous prime is 6220897. The next prime is 6220927. The reversal of 6220915 is 5190226.

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 6220915 - 2¹¹ = 6218867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6220915.

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, 622087 + ... + 622096.

It is an arithmetic number, because the mean of its divisors is an integer number (1866276).

Almost surely, 2^6220915 is an apocalyptic number.

6220915 is a deficient number, since it is larger than the sum of its proper divisors (1244189).

6220915 is a wasteful number, since it uses less digits than its factorization.

6220915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244188.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6220915 is about 2494.1762167096. The cubic root of 6220915 is about 183.9153970697.

The spelling of 6220915 in words is "six million, two hundred twenty thousand, nine hundred fifteen".