200722 has 4 divisors (see below), whose sum is σ = 301086. Its totient is φ = 100360.

The previous prime is 200713. The next prime is 200723. The reversal of 200722 is 227002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227002 = 2 ⋅113501.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 6241 = 441^2 + 79^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (200723) by changing a digit.

200722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50179 + ... + 50182.

2²⁰⁰⁷²² is an apocalyptic number.

200722 is a deficient number, since it is larger than the sum of its proper divisors (100364).

200722 is a wasteful number, since it uses less digits than its factorization.

200722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100363.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 200722 is about 448.0200888353. The cubic root of 200722 is about 58.5506416137.

Adding to 200722 its reverse (227002), we get a palindrome (427724).

It can be divided in two parts, 200 and 722, that multiplied together give a square (144400 = 380²).

The spelling of 200722 in words is "two hundred thousand, seven hundred twenty-two", and thus it is an iban number.