6422216 has 8 divisors (see below), whose sum is σ = 12041670. Its totient is φ = 3211104.

The previous prime is 6422203. The next prime is 6422261. The reversal of 6422216 is 6122246.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 21316 = 2530^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6422191 and 6422200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401381 + ... + 401396.

Almost surely, 2^6422216 is an apocalyptic number.

It is an amenable number.

6422216 is a deficient number, since it is larger than the sum of its proper divisors (5619454).

6422216 is a wasteful number, since it uses less digits than its factorization.

6422216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802783 (or 802779 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 6422216 is about 2534.2091468543. The cubic root of 6422216 is about 185.8781334518.

The spelling of 6422216 in words is "six million, four hundred twenty-two thousand, two hundred sixteen".