6221626 has 16 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 2773440.

The previous prime is 6221591. The next prime is 6221629. The reversal of 6221626 is 6261226.

It is a self number, because there is not a number n which added to its sum of digits gives 6221626.

It is not an unprimeable number, because it can be changed into a prime (6221629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (650160).

Almost surely, 2^6221626 is an apocalyptic number.

6221626 is a deficient number, since it is larger than the sum of its proper divisors (4180934).

6221626 is a wasteful number, since it uses less digits than its factorization.

6221626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669.

The product of its digits is 1728, while the sum is 25.

The square root of 6221626 is about 2494.3187446676. The cubic root of 6221626 is about 183.9224034810.

The spelling of 6221626 in words is "six million, two hundred twenty-one thousand, six hundred twenty-six".