11562022220 has 48 divisors (see below), whose sum is σ = 27870104640. Its totient is φ = 3946800384.

The previous prime is 11562022217. The next prime is 11562022271. The reversal of 11562022220 is 2222026511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148259 + ... + 212378.

It is an arithmetic number, because the mean of its divisors is an integer number (580627180).

Almost surely, 2^11562022220 is an apocalyptic number.

11562022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11562022220 is an abundant number, since it is smaller than the sum of its proper divisors (16308082420).

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

11562022220 is a wasteful number, since it uses less digits than its factorization.

11562022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360882 (or 360880 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11562022220 its reverse (2222026511), we get a palindrome (13784048731).

The spelling of 11562022220 in words is "eleven billion, five hundred sixty-two million, twenty-two thousand, two hundred twenty".