22243122011 has 32 divisors (see below), whose sum is σ = 25162776576. Its totient is φ = 19486656000.

The previous prime is 22243122007. The next prime is 22243122029. The reversal of 22243122011 is 11022134222.

It is a cyclic number.

It is not a de Polignac number, because 22243122011 - 2² = 22243122007 is a prime.

It is a super-3 number, since 3×22243122011³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243122611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15521351 + ... + 15522783.

It is an arithmetic number, because the mean of its divisors is an integer number (786336768).

Almost surely, 2^22243122011 is an apocalyptic number.

22243122011 is a deficient number, since it is larger than the sum of its proper divisors (2919654565).

22243122011 is a wasteful number, since it uses less digits than its factorization.

22243122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22243122011 its reverse (11022134222), we get a palindrome (33265256233).

It can be divided in two parts, 222431 and 22011, that added together give a palindrome (244442).

The spelling of 22243122011 in words is "twenty-two billion, two hundred forty-three million, one hundred twenty-two thousand, eleven".