6451222 has 8 divisors (see below), whose sum is σ = 10186200. Its totient is φ = 3055824.

The previous prime is 6451217. The next prime is 6451223. The reversal of 6451222 is 2221546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6451193 and 6451202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451223) 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, 84847 + ... + 84922.

It is an arithmetic number, because the mean of its divisors is an integer number (1273275).

Almost surely, 2^6451222 is an apocalyptic number.

6451222 is a deficient number, since it is larger than the sum of its proper divisors (3734978).

6451222 is a wasteful number, since it uses less digits than its factorization.

6451222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169790.

The product of its digits is 960, while the sum is 22.

The square root of 6451222 is about 2539.9255894612. The cubic root of 6451222 is about 186.1575533282.

Adding to 6451222 its reverse (2221546), we get a palindrome (8672768).

The spelling of 6451222 in words is "six million, four hundred fifty-one thousand, two hundred twenty-two".