1966722 has 32 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 620928.

The previous prime is 1966697. The next prime is 1966787. The reversal of 1966722 is 2276691.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15423 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1966722 is an apocalyptic number.

1966722 is an abundant number, since it is smaller than the sum of its proper divisors (2180478).

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

1966722 is a wasteful number, since it uses less digits than its factorization.

1966722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its digits is 9072, while the sum is 33.

The square root of 1966722 is about 1402.3986594403. The cubic root of 1966722 is about 125.2893988029.

The spelling of 1966722 in words is "one million, nine hundred sixty-six thousand, seven hundred twenty-two".