11220223040 has 112 divisors (see below), whose sum is σ = 30466143792. Its totient is φ = 3899129856.

The previous prime is 11220223037. The next prime is 11220223067. The reversal of 11220223040 is 4032202211.

It can be written as a sum of positive squares in 8 ways, for example, as 75620416 + 11144602624 = 8696^2 + 105568^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 8609 + ... + 150048.

It is an arithmetic number, because the mean of its divisors is an integer number (272019141).

Almost surely, 2^11220223040 is an apocalyptic number.

11220223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15233071896).

11220223040 is an abundant number, since it is smaller than the sum of its proper divisors (19245920752).

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

11220223040 is a wasteful number, since it uses less digits than its factorization.

11220223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158704 (or 158694 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 11220223040 its reverse (4032202211), we get a palindrome (15252425251).

The spelling of 11220223040 in words is "eleven billion, two hundred twenty million, two hundred twenty-three thousand, forty".