11322222210 has 96 divisors (see below), whose sum is σ = 32016439728. Its totient is φ = 2759385600.

The previous prime is 11322222209. The next prime is 11322222217. The reversal of 11322222210 is 1222222311.

It can be written as a sum of positive squares in 8 ways, for example, as 2909847249 + 8412374961 = 53943^2 + 91719^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11322222217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70264 + ... + 166076.

Almost surely, 2^11322222210 is an apocalyptic number.

11322222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11322222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16008219864).

11322222210 is an abundant number, since it is smaller than the sum of its proper divisors (20694217518).

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

11322222210 is a wasteful number, since it uses less digits than its factorization.

11322222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95940 (or 95937 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11322222210 its reverse (1222222311), we get a palindrome (12544444521).

The spelling of 11322222210 in words is "eleven billion, three hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".