22011020224 has 28 divisors (see below), whose sum is σ = 43688369824. Its totient is φ = 11002927104.

The previous prime is 22011020221. The next prime is 22011020261. The reversal of 22011020224 is 42202011022.

It is a super-2 number, since 2×22011020224² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22011020198 and 22011020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250729 + ... + 326935.

Almost surely, 2^22011020224 is an apocalyptic number.

It is an amenable number.

22011020224 is a deficient number, since it is larger than the sum of its proper divisors (21677349600).

22011020224 is an equidigital number, since it uses as much as digits as its factorization.

22011020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80732 (or 80722 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22011020224 its reverse (42202011022), we get a palindrome (64213031246).

The spelling of 22011020224 in words is "twenty-two billion, eleven million, twenty thousand, two hundred twenty-four".