6012221 has 4 divisors (see below), whose sum is σ = 6110844. Its totient is φ = 5913600.

The previous prime is 6012211. The next prime is 6012229. The reversal of 6012221 is 1222106.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 5040025 = 986^2 + 2245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6012221 is a prime.

It is a super-2 number, since 2×6012221² = 72293602705682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6012196 and 6012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6012229) 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, 49220 + ... + 49341.

It is an arithmetic number, because the mean of its divisors is an integer number (1527711).

Almost surely, 2^6012221 is an apocalyptic number.

6012221 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6012221 is a deficient number, since it is larger than the sum of its proper divisors (98623).

6012221 is an equidigital number, since it uses as much as digits as its factorization.

6012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98622.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 6012221 is about 2451.9830749824. The cubic root of 6012221 is about 181.8353480080.

Adding to 6012221 its reverse (1222106), we get a palindrome (7234327).

The spelling of 6012221 in words is "six million, twelve thousand, two hundred twenty-one".