6406822 has 4 divisors (see below), whose sum is σ = 9610236. Its totient is φ = 3203410.

The previous prime is 6406793. The next prime is 6406823. The reversal of 6406822 is 2286046.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601704 + ... + 1601707.

It is an arithmetic number, because the mean of its divisors is an integer number (2402559).

Almost surely, 2^6406822 is an apocalyptic number.

6406822 is a deficient number, since it is larger than the sum of its proper divisors (3203414).

6406822 is a wasteful number, since it uses less digits than its factorization.

6406822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203413.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6406822 is about 2531.1700851582. The cubic root of 6406822 is about 185.7294985002.

The spelling of 6406822 in words is "six million, four hundred six thousand, eight hundred twenty-two".