6428222 has 8 divisors (see below), whose sum is σ = 9953472. Its totient is φ = 3110400.

The previous prime is 6428207. The next prime is 6428263. The reversal of 6428222 is 2228246.

6428222 = T₂₅₈ + T₂₅₉ + ... + T₃₈₁.

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 = 6428191 and 6428200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51779 + ... + 51902.

It is an arithmetic number, because the mean of its divisors is an integer number (1244184).

Almost surely, 2^6428222 is an apocalyptic number.

6428222 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6428222 is a deficient number, since it is larger than the sum of its proper divisors (3525250).

6428222 is a wasteful number, since it uses less digits than its factorization.

6428222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103714.

The product of its digits is 3072, while the sum is 26.

The square root of 6428222 is about 2535.3938550056. The cubic root of 6428222 is about 185.9360592643.

The spelling of 6428222 in words is "six million, four hundred twenty-eight thousand, two hundred twenty-two".