500722 has 4 divisors (see below), whose sum is σ = 751086. Its totient is φ = 250360.

The previous prime is 500719. The next prime is 500723. The reversal of 500722 is 227005.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 269361 + 231361 = 519^2 + 481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 500696 and 500705.

It is not an unprimeable number, because it can be changed into a prime (500723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125179 + ... + 125182.

2⁵⁰⁰⁷²² is an apocalyptic number.

500722 is a deficient number, since it is larger than the sum of its proper divisors (250364).

500722 is a wasteful number, since it uses less digits than its factorization.

500722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250363.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 500722 is about 707.6171281138. The cubic root of 500722 is about 79.4082376765.

Adding to 500722 its reverse (227005), we get a palindrome (727727).

The spelling of 500722 in words is "five hundred thousand, seven hundred twenty-two".