572221717 has 16 divisors (see below), whose sum is σ = 615928320. Its totient is φ = 529708032.

The previous prime is 572221709. The next prime is 572221729. The reversal of 572221717 is 717122275.

It is not a de Polignac number, because 572221717 - 2³ = 572221709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572221747) 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, 265948 + ... + 268090.

It is an arithmetic number, because the mean of its divisors is an integer number (38495520).

Almost surely, 2^572221717 is an apocalyptic number.

It is an amenable number.

572221717 is a deficient number, since it is larger than the sum of its proper divisors (43706603).

572221717 is a wasteful number, since it uses less digits than its factorization.

572221717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its digits is 13720, while the sum is 34.

The square root of 572221717 is about 23921.1562638598. The cubic root of 572221717 is about 830.2102902588.

The spelling of 572221717 in words is "five hundred seventy-two million, two hundred twenty-one thousand, seven hundred seventeen".