859022201 has 4 divisors (see below), whose sum is σ = 879974004. Its totient is φ = 838070400.

The previous prime is 859022173. The next prime is 859022207. The reversal of 859022201 is 102220958.

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 231770176 + 627252025 = 15224^2 + 25045^2 .

It is a cyclic number.

It is not a de Polignac number, because 859022201 - 2¹⁸ = 858760057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859022207) 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, 10475840 + ... + 10475921.

It is an arithmetic number, because the mean of its divisors is an integer number (219993501).

Almost surely, 2^859022201 is an apocalyptic number.

It is an amenable number.

859022201 is a deficient number, since it is larger than the sum of its proper divisors (20951803).

859022201 is a wasteful number, since it uses less digits than its factorization.

859022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951802.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 859022201 is about 29309.0805212310. The cubic root of 859022201 is about 950.6079952906.

The spelling of 859022201 in words is "eight hundred fifty-nine million, twenty-two thousand, two hundred one".