1000722 has 16 divisors (see below), whose sum is σ = 2119392. Its totient is φ = 313920.

The previous prime is 1000721. The next prime is 1000723. The reversal of 1000722 is 2270001.

It is an interprime number because it is at equal distance from previous prime (1000721) and next prime (1000723).

It is a junction number, because it is equal to n+sod(n) for n = 1000698 and 1000707.

It is not an unprimeable number, because it can be changed into a prime (1000721) 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, 4804 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (132462).

2^1000722 is an apocalyptic number.

1000722 is an abundant number, since it is smaller than the sum of its proper divisors (1118670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000722 is a wasteful number, since it uses less digits than its factorization.

1000722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 1000722 is about 1000.3609348630. The cubic root of 1000722 is about 100.0240608769.

Adding to 1000722 its reverse (2270001), we get a palindrome (3270723).

The spelling of 1000722 in words is "one million, seven hundred twenty-two", and thus it is an aban number.