6427722 has 24 divisors (see below), whose sum is σ = 14954976. Its totient is φ = 1836408.

The previous prime is 6427721. The next prime is 6427727. The reversal of 6427722 is 2277246.

It is a super-2 number, since 2×6427722² = 82631220218568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁴ + 4¹¹ + 2 + 7⁵ + 7⁶ + 2⁹ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 6427722.

It is not an unprimeable number, because it can be changed into a prime (6427721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10638 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (623124).

Almost surely, 2^6427722 is an apocalyptic number.

6427722 is an abundant number, since it is smaller than the sum of its proper divisors (8527254).

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

6427722 is a wasteful number, since it uses less digits than its factorization.

6427722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882 (or 21875 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 6427722 is about 2535.2952490785. The cubic root of 6427722 is about 185.9312383128.

The spelling of 6427722 in words is "six million, four hundred twenty-seven thousand, seven hundred twenty-two".