11772822 has 16 divisors (see below), whose sum is σ = 24120432. Its totient is φ = 3828480.

The previous prime is 11772809. The next prime is 11772833. The reversal of 11772822 is 22827711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11772822.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 23683 + ... + 24174.

It is an arithmetic number, because the mean of its divisors is an integer number (1507527).

Almost surely, 2^11772822 is an apocalyptic number.

11772822 is an abundant number, since it is smaller than the sum of its proper divisors (12347610).

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

11772822 is a wasteful number, since it uses less digits than its factorization.

11772822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47903.

The product of its digits is 3136, while the sum is 30.

The square root of 11772822 is about 3431.1546161606. The cubic root of 11772822 is about 227.4888904932.

The spelling of 11772822 in words is "eleven million, seven hundred seventy-two thousand, eight hundred twenty-two".