722284 has 12 divisors (see below), whose sum is σ = 1288224. Its totient is φ = 354224.

The previous prime is 722273. The next prime is 722287. The reversal of 722284 is 482227.

It is not an unprimeable number, because it can be changed into a prime (722287) 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, 1492 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (107352).

2⁷²²²⁸⁴ is an apocalyptic number.

It is an amenable number.

722284 is a deficient number, since it is larger than the sum of its proper divisors (565940).

722284 is a wasteful number, since it uses less digits than its factorization.

722284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3462 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 722284 is about 849.8729316786. The cubic root of 722284 is about 89.7227683048.

The spelling of 722284 in words is "seven hundred twenty-two thousand, two hundred eighty-four".