11722066 has 4 divisors (see below), whose sum is σ = 17583102. Its totient is φ = 5861032.

The previous prime is 11722057. The next prime is 11722079. The reversal of 11722066 is 66022711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66022711 = 59 ⋅1119029.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 970225 = 3279^2 + 985^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11722066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930515 + ... + 2930518.

Almost surely, 2^11722066 is an apocalyptic number.

11722066 is a deficient number, since it is larger than the sum of its proper divisors (5861036).

11722066 is an equidigital number, since it uses as much as digits as its factorization.

11722066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861035.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11722066 is about 3423.7502829500. The cubic root of 11722066 is about 227.1614963392.

Adding to 11722066 its reverse (66022711), we get a palindrome (77744777).

The spelling of 11722066 in words is "eleven million, seven hundred twenty-two thousand, sixty-six".