22011011228 has 6 divisors (see below), whose sum is σ = 38519269656. Its totient is φ = 11005505612.

The previous prime is 22011011221. The next prime is 22011011333. The reversal of 22011011228 is 82211011022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751376400 + ... + 2751376407.

It is an arithmetic number, because the mean of its divisors is an integer number (6419878276).

Almost surely, 2^22011011228 is an apocalyptic number.

It is an amenable number.

22011011228 is a deficient number, since it is larger than the sum of its proper divisors (16508258428).

22011011228 is a wasteful number, since it uses less digits than its factorization.

22011011228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502752811 (or 5502752809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 22011011228 in words is "twenty-two billion, eleven million, eleven thousand, two hundred twenty-eight".