6422223 has 4 divisors (see below), whose sum is σ = 8562968. Its totient is φ = 4281480.

The previous prime is 6422203. The next prime is 6422261. The reversal of 6422223 is 3222246.

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

It is not a de Polignac number, because 6422223 - 2⁸ = 6421967 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4 + 2¹⁴ + 2¹⁶ + 2²¹ + 2²² + 3⁷ .

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6422223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070368 + ... + 1070373.

It is an arithmetic number, because the mean of its divisors is an integer number (2140742).

Almost surely, 2^6422223 is an apocalyptic number.

6422223 is a deficient number, since it is larger than the sum of its proper divisors (2140745).

6422223 is a wasteful number, since it uses less digits than its factorization.

6422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140744.

The product of its digits is 1152, while the sum is 21.

The square root of 6422223 is about 2534.2105279554. The cubic root of 6422223 is about 185.8782009854.

Adding to 6422223 its reverse (3222246), we get a palindrome (9644469).

The spelling of 6422223 in words is "six million, four hundred twenty-two thousand, two hundred twenty-three".