1066722 has 8 divisors (see below), whose sum is σ = 2133456. Its totient is φ = 355572.

The previous prime is 1066721. The next prime is 1066729. The reversal of 1066722 is 2276601.

It is a happy number.

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

1066722 is an admirable number.

It is a super-2 number, since 2×1066722² = 2275791650568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066692 and 1066701.

It is not an unprimeable number, because it can be changed into a prime (1066721) 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, 88888 + ... + 88899.

It is an arithmetic number, because the mean of its divisors is an integer number (266682).

2^1066722 is an apocalyptic number.

1066722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1066722 is a wasteful number, since it uses less digits than its factorization.

1066722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177792.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1066722 is about 1032.8223467761. The cubic root of 1066722 is about 102.1763577242.

The spelling of 1066722 in words is "one million, sixty-six thousand, seven hundred twenty-two".