722230 has 8 divisors (see below), whose sum is σ = 1300032. Its totient is φ = 288888.

The previous prime is 722213. The next prime is 722237. The reversal of 722230 is 32227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36102 + ... + 36121.

It is an arithmetic number, because the mean of its divisors is an integer number (162504).

2⁷²²²³⁰ is an apocalyptic number.

722230 is a deficient number, since it is larger than the sum of its proper divisors (577802).

722230 is a wasteful number, since it uses less digits than its factorization.

722230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72230.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 722230 is about 849.8411616296. The cubic root of 722230 is about 89.7205322728.

Adding to 722230 its reverse (32227), we get a palindrome (754457).

The spelling of 722230 in words is "seven hundred twenty-two thousand, two hundred thirty".