11226029220 has 384 divisors, whose sum is σ = 42722104320. Its totient is φ = 2388787200.

The previous prime is 11226029161. The next prime is 11226029233. The reversal of 11226029220 is 2292062211.

It is a happy number.

11226029220 is a `hidden beast` number, since 11 + 22 + 602 + 9 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6232320 + ... + 6234120.

It is an arithmetic number, because the mean of its divisors is an integer number (111255480).

Almost surely, 2^11226029220 is an apocalyptic number.

11226029220 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 11226029220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21361052160).

11226029220 is an abundant number, since it is smaller than the sum of its proper divisors (31496075100).

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

11226029220 is a wasteful number, since it uses less digits than its factorization.

11226029220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 11226029220 in words is "eleven billion, two hundred twenty-six million, twenty-nine thousand, two hundred twenty".