6622207 has 4 divisors (see below), whose sum is σ = 6627456. Its totient is φ = 6616960.

The previous prime is 6622199. The next prime is 6622211. The reversal of 6622207 is 7022266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7022266 = 2 ⋅3511133.

It is a cyclic number.

It is not a de Polignac number, because 6622207 - 2³ = 6622199 is a prime.

It is a super-3 number, since 3×6622207³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

6622207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622307) 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, 543 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (1656864).

Almost surely, 2^6622207 is an apocalyptic number.

6622207 is a deficient number, since it is larger than the sum of its proper divisors (5249).

6622207 is a wasteful number, since it uses less digits than its factorization.

6622207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 6622207 is about 2573.3649177682. The cubic root of 6622207 is about 187.7878907783.

The spelling of 6622207 in words is "six million, six hundred twenty-two thousand, two hundred seven".