11801022 has 16 divisors (see below), whose sum is σ = 23740560. Its totient is φ = 3910592.

The previous prime is 11801017. The next prime is 11801059. The reversal of 11801022 is 22010811.

11801022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11800992 and 11801010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (1483785).

Almost surely, 2^11801022 is an apocalyptic number.

11801022 is an abundant number, since it is smaller than the sum of its proper divisors (11939538).

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

11801022 is a wasteful number, since it uses less digits than its factorization.

11801022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11801022 is about 3435.2615620939. The cubic root of 11801022 is about 227.6703839736.

Adding to 11801022 its reverse (22010811), we get a palindrome (33811833).

The spelling of 11801022 in words is "eleven million, eight hundred one thousand, twenty-two".