6443122 has 16 divisors (see below), whose sum is σ = 11211840. Its totient is φ = 2719728.

The previous prime is 6443117. The next prime is 6443131. The reversal of 6443122 is 2213446.

It is a happy number.

It is a super-2 number, since 2×6443122² = 83027642213768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6443093 and 6443102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (700740).

Almost surely, 2^6443122 is an apocalyptic number.

6443122 is a deficient number, since it is larger than the sum of its proper divisors (4768718).

6443122 is a wasteful number, since it uses less digits than its factorization.

6443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its digits is 1152, while the sum is 22.

The square root of 6443122 is about 2538.3305537301. The cubic root of 6443122 is about 186.0796090407.

Adding to 6443122 its reverse (2213446), we get a palindrome (8656568).

The spelling of 6443122 in words is "six million, four hundred forty-three thousand, one hundred twenty-two".