6722622 has 16 divisors (see below), whose sum is σ = 14939280. Its totient is φ = 2240856.

The previous prime is 6722603. The next prime is 6722623. The reversal of 6722622 is 2262276.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722623) 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, 62193 + ... + 62300.

It is an arithmetic number, because the mean of its divisors is an integer number (933705).

Almost surely, 2^6722622 is an apocalyptic number.

6722622 is an abundant number, since it is smaller than the sum of its proper divisors (8216658).

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

6722622 is a wasteful number, since it uses less digits than its factorization.

6722622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124504 (or 124498 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 6722622 is about 2592.8019592711. The cubic root of 6722622 is about 188.7322992626.

Adding to 6722622 its reverse (2262276), we get a palindrome (8984898).

The spelling of 6722622 in words is "six million, seven hundred twenty-two thousand, six hundred twenty-two".