6116221 has 4 divisors (see below), whose sum is σ = 6143872. Its totient is φ = 6088572.

The previous prime is 6116219. The next prime is 6116237. The reversal of 6116221 is 1226116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6116221 - 2¹ = 6116219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116261) 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, 13491 + ... + 13936.

It is an arithmetic number, because the mean of its divisors is an integer number (1535968).

Almost surely, 2^6116221 is an apocalyptic number.

It is an amenable number.

6116221 is a deficient number, since it is larger than the sum of its proper divisors (27651).

6116221 is a wasteful number, since it uses less digits than its factorization.

6116221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27650.

The product of its digits is 144, while the sum is 19.

The square root of 6116221 is about 2473.0994723221. The cubic root of 6116221 is about 182.8778286157.

The spelling of 6116221 in words is "six million, one hundred sixteen thousand, two hundred twenty-one".