4220628017 has 4 divisors (see below), whose sum is σ = 4247511156. Its totient is φ = 4193744880.

The previous prime is 4220628007. The next prime is 4220628089. The reversal of 4220628017 is 7108260224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 475065616 + 3745562401 = 21796^2 + 61201^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220628017 - 2¹² = 4220623921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220628007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13441334 + ... + 13441647.

It is an arithmetic number, because the mean of its divisors is an integer number (1061877789).

Almost surely, 2^4220628017 is an apocalyptic number.

It is an amenable number.

4220628017 is a deficient number, since it is larger than the sum of its proper divisors (26883139).

4220628017 is a wasteful number, since it uses less digits than its factorization.

4220628017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26883138.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4220628017 is about 64966.3606568815. The cubic root of 4220628017 is about 1616.0657487678.

The spelling of 4220628017 in words is "four billion, two hundred twenty million, six hundred twenty-eight thousand, seventeen".