6226663428 has 60 divisors (see below), whose sum is σ = 16839054540. Its totient is φ = 2003980608.

The previous prime is 6226663427. The next prime is 6226663507. The reversal of 6226663428 is 8243666226.

It can be written as a sum of positive squares in 2 ways, for example, as 1943222724 + 4283440704 = 44082^2 + 65448^2 .

It is a super-2 number, since 2×6226663428² = 77542674891185422368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6226663427) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 321951 + ... + 340742.

It is an arithmetic number, because the mean of its divisors is an integer number (280650909).

Almost surely, 2^6226663428 is an apocalyptic number.

It is an amenable number.

6226663428 is an abundant number, since it is smaller than the sum of its proper divisors (10612391112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6226663428 is a wasteful number, since it uses less digits than its factorization.

6226663428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662738 (or 662727 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 6226663428 is about 78909.2100327966. The cubic root of 6226663428 is about 1839.7202855364.

The spelling of 6226663428 in words is "six billion, two hundred twenty-six million, six hundred sixty-three thousand, four hundred twenty-eight".