830722 has 16 divisors (see below), whose sum is σ = 1347192. Its totient is φ = 382720.

The previous prime is 830719. The next prime is 830729. The reversal of 830722 is 227038.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 40401 = 889^2 + 201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 830693 and 830702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 2032.

2⁸³⁰⁷²² is an apocalyptic number.

830722 is a deficient number, since it is larger than the sum of its proper divisors (516470).

830722 is a wasteful number, since it uses less digits than its factorization.

830722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 830722 is about 911.4395207582. The cubic root of 830722 is about 94.0052056873.

The spelling of 830722 in words is "eight hundred thirty thousand, seven hundred twenty-two".