6428122 has 4 divisors (see below), whose sum is σ = 9642186. Its totient is φ = 3214060.

The previous prime is 6428117. The next prime is 6428131. The reversal of 6428122 is 2218246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2218246 = 2 ⋅1109123.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 720801 = 2389^2 + 849^2 .

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 as a sum of consecutive naturals, namely, 1607029 + ... + 1607032.

Almost surely, 2^6428122 is an apocalyptic number.

6428122 is a deficient number, since it is larger than the sum of its proper divisors (3214064).

6428122 is a wasteful number, since it uses less digits than its factorization.

6428122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214063.

The product of its digits is 1536, while the sum is 25.

The square root of 6428122 is about 2535.3741341270. The cubic root of 6428122 is about 185.9350950940.

The spelling of 6428122 in words is "six million, four hundred twenty-eight thousand, one hundred twenty-two".