6220668 has 12 divisors (see below), whose sum is σ = 14514920. Its totient is φ = 2073552.

The previous prime is 6220661. The next prime is 6220673. The reversal of 6220668 is 8660226.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220661) 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, 259183 + ... + 259206.

Almost surely, 2^6220668 is an apocalyptic number.

It is an amenable number.

6220668 is an abundant number, since it is smaller than the sum of its proper divisors (8294252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6220668 is a wasteful number, since it uses less digits than its factorization.

6220668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518396 (or 518394 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6220668 is about 2494.1267008715. The cubic root of 6220668 is about 183.9129629313.

The spelling of 6220668 in words is "six million, two hundred twenty thousand, six hundred sixty-eight".