6446022 has 32 divisors (see below), whose sum is σ = 14217984. Its totient is φ = 1932000.

The previous prime is 6446021. The next prime is 6446023. The reversal of 6446022 is 2206446.

It is an interprime number because it is at equal distance from previous prime (6446021) and next prime (6446023).

It is a junction number, because it is equal to n+sod(n) for n = 6445983 and 6446001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6183 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (444312).

Almost surely, 2^6446022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6446022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7108992).

6446022 is an abundant number, since it is smaller than the sum of its proper divisors (7771962).

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

6446022 is a wasteful number, since it uses less digits than its factorization.

6446022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 6446022 is about 2538.9017310640. The cubic root of 6446022 is about 186.1075225235.

It can be divided in two parts, 644 and 6022, that added together give a palindrome (6666).

The spelling of 6446022 in words is "six million, four hundred forty-six thousand, twenty-two".