11817022 has 16 divisors (see below), whose sum is σ = 20689920. Its totient is φ = 4956408.

The previous prime is 11817019. The next prime is 11817053. The reversal of 11817022 is 22071811.

It is a junction number, because it is equal to n+sod(n) for n = 11816984 and 11817002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (1293120).

Almost surely, 2^11817022 is an apocalyptic number.

11817022 is a deficient number, since it is larger than the sum of its proper divisors (8872898).

11817022 is a wasteful number, since it uses less digits than its factorization.

11817022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18015.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11817022 is about 3437.5895624696. The cubic root of 11817022 is about 227.7732304642.

Adding to 11817022 its reverse (22071811), we get a palindrome (33888833).

The spelling of 11817022 in words is "eleven million, eight hundred seventeen thousand, twenty-two".