6222091 has 4 divisors (see below), whose sum is σ = 6264000. Its totient is φ = 6180184.

The previous prime is 6222077. The next prime is 6222113. The reversal of 6222091 is 1902226.

It is a happy number.

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 6222091 - 2⁵ = 6222059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20731 + ... + 21028.

It is an arithmetic number, because the mean of its divisors is an integer number (1566000).

Almost surely, 2^6222091 is an apocalyptic number.

6222091 is a deficient number, since it is larger than the sum of its proper divisors (41909).

6222091 is a wasteful number, since it uses less digits than its factorization.

6222091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41908.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6222091 is about 2494.4119547501. The cubic root of 6222091 is about 183.9269854443.

The spelling of 6222091 in words is "six million, two hundred twenty-two thousand, ninety-one".