6221126 has 4 divisors (see below), whose sum is σ = 9331692. Its totient is φ = 3110562.

The previous prime is 6221123. The next prime is 6221147. The reversal of 6221126 is 6211226.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6221098 and 6221107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555280 + ... + 1555283.

It is an arithmetic number, because the mean of its divisors is an integer number (2332923).

Almost surely, 2^6221126 is an apocalyptic number.

6221126 is a deficient number, since it is larger than the sum of its proper divisors (3110566).

6221126 is a wasteful number, since it uses less digits than its factorization.

6221126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110565.

The product of its digits is 288, while the sum is 20.

The square root of 6221126 is about 2494.2185148860. The cubic root of 6221126 is about 183.9174763839.

The spelling of 6221126 in words is "six million, two hundred twenty-one thousand, one hundred twenty-six".