52221017 has 16 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 48694272.

The previous prime is 52221011. The next prime is 52221031. The reversal of 52221017 is 71012225.

52221017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52221017 - 2⁸ = 52220761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52221017.

It is not an unprimeable number, because it can be changed into a prime (52221011) 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 15 ways as a sum of consecutive naturals, for example, 198428 + ... + 198690.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^52221017 is an apocalyptic number.

It is an amenable number.

52221017 is a deficient number, since it is larger than the sum of its proper divisors (3662503).

52221017 is a wasteful number, since it uses less digits than its factorization.

52221017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 52221017 is about 7226.4110732784. The cubic root of 52221017 is about 373.7791813250.

The spelling of 52221017 in words is "fifty-two million, two hundred twenty-one thousand, seventeen".