6512228 has 6 divisors (see below), whose sum is σ = 11396406. Its totient is φ = 3256112.

The previous prime is 6512227. The next prime is 6512251. The reversal of 6512228 is 8222156.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 1350244 = 2272^2 + 1162^2 .

It is a super-2 number, since 2×6512228² = 84818227047968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6512197 and 6512206.

It is not an unprimeable number, because it can be changed into a prime (6512227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814025 + ... + 814032.

It is an arithmetic number, because the mean of its divisors is an integer number (1899401).

Almost surely, 2^6512228 is an apocalyptic number.

It is an amenable number.

6512228 is a deficient number, since it is larger than the sum of its proper divisors (4884178).

6512228 is a wasteful number, since it uses less digits than its factorization.

6512228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628061 (or 1628059 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 6512228 is about 2551.9067381078. The cubic root of 6512228 is about 186.7425131121.

The spelling of 6512228 in words is "six million, five hundred twelve thousand, two hundred twenty-eight".